27 files changed, 3416 insertions, 104 deletions

diff --git a/web/react/components/admin_console/admin_controller.jsx b/web/react/components/admin_console/admin_controller.jsx
index d309ced2e..8e0ab0555 100644
--- a/web/react/components/admin_console/admin_controller.jsx
+++ b/web/react/components/admin_console/admin_controller.jsx
@@ -6,6 +6,7 @@ var AdminStore = require('../../stores/admin_store.jsx');
 var TeamStore = require('../../stores/team_store.jsx');
 var AsyncClient = require('../../utils/async_client.jsx');
 var LoadingScreen = require('../loading_screen.jsx');
+var Utils = require('../../utils/utils.jsx');
 
 var EmailSettingsTab = require('./email_settings.jsx');
 var LogSettingsTab = require('./log_settings.jsx');
@@ -46,7 +47,8 @@ export default class AdminController extends React.Component {
         };
 
         if (!props.tab) {
-            history.replaceState(null, null, `/admin_console/${this.state.selected}`);
+            var tokenIndex = Utils.getUrlParameter('session_token_index');
+            history.replaceState(null, null, `/admin_console/${this.state.selected}?session_token_index=${tokenIndex}`);
         }
     }
 
diff --git a/web/react/components/admin_console/admin_sidebar.jsx b/web/react/components/admin_console/admin_sidebar.jsx
index f2fb1c96d..0d52ae347 100644
--- a/web/react/components/admin_console/admin_sidebar.jsx
+++ b/web/react/components/admin_console/admin_sidebar.jsx
@@ -3,6 +3,7 @@
 
 var AdminSidebarHeader = require('./admin_sidebar_header.jsx');
 var SelectTeamModal = require('./select_team_modal.jsx');
+var Utils = require('../../utils/utils.jsx');
 
 export default class AdminSidebar extends React.Component {
     constructor(props) {
@@ -24,12 +25,13 @@ export default class AdminSidebar extends React.Component {
     handleClick(name, teamId, e) {
         e.preventDefault();
         this.props.selectTab(name, teamId);
-        history.pushState({name, teamId}, null, `/admin_console/${name}/${teamId || ''}`);
+        var tokenIndex = Utils.getUrlParameter('session_token_index');
+        history.pushState({name, teamId}, null, `/admin_console/${name}/${teamId || ''}?session_token_index=${tokenIndex}`);
     }
 
     isSelected(name, teamId) {
         if (this.props.selected === name) {
-            if (name === 'team_users') {
+            if (name === 'team_users' || name === 'team_analytics') {
                 if (this.props.selectedTeam != null && this.props.selectedTeam === teamId) {
                     return 'active';
                 }
diff --git a/web/react/components/center_panel.jsx b/web/react/components/center_panel.jsx
index b871fe81a..242c2c637 100644
--- a/web/react/components/center_panel.jsx
+++ b/web/react/components/center_panel.jsx
@@ -1,17 +1,47 @@
 // Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 
-var CreatePost = require('../components/create_post.jsx');
-var PostsViewContainer = require('../components/posts_view_container.jsx');
-var ChannelHeader = require('../components/channel_header.jsx');
-var Navbar = require('../components/navbar.jsx');
-var FileUploadOverlay = require('../components/file_upload_overlay.jsx');
+const TutorialIntroScreens = require('./tutorial/tutorial_intro_screens.jsx');
+const CreatePost = require('./create_post.jsx');
+const PostsViewContainer = require('./posts_view_container.jsx');
+const ChannelHeader = require('./channel_header.jsx');
+const Navbar = require('./navbar.jsx');
+const FileUploadOverlay = require('./file_upload_overlay.jsx');
+
+const PreferenceStore = require('../stores/preference_store.jsx');
+const UserStore = require('../stores/user_store.jsx');
+
+const Constants = require('../utils/constants.jsx');
+const TutorialSteps = Constants.TutorialSteps;
+const Preferences = Constants.Preferences;
 
 export default class CenterPanel extends React.Component {
     constructor(props) {
         super(props);
+
+        this.onPreferenceChange = this.onPreferenceChange.bind(this);
+
+        const tutorialPref = PreferenceStore.getPreference(Preferences.TUTORIAL_STEP, UserStore.getCurrentId(), {value: '0'});
+        this.state = {showTutorialScreens: parseInt(tutorialPref.value, 10) === TutorialSteps.INTRO_SCREENS};
+    }
+    componentDidMount() {
+        PreferenceStore.addChangeListener(this.onPreferenceChange);
+    }
+    componentWillUnmount() {
+        PreferenceStore.removeChangeListener(this.onPreferenceChange);
+    }
+    onPreferenceChange() {
+        const tutorialPref = PreferenceStore.getPreference(Preferences.TUTORIAL_STEP, UserStore.getCurrentId(), {value: '0'});
+        this.setState({showTutorialScreens: parseInt(tutorialPref.value, 10) <= TutorialSteps.INTRO_SCREENS});
     }
     render() {
+        let postsContainer;
+        if (this.state.showTutorialScreens) {
+            postsContainer = <TutorialIntroScreens />;
+        } else {
+            postsContainer = <PostsViewContainer />;
+        }
+
         return (
             <div className='inner__wrap channel__wrap'>
                 <div className='row header'>
@@ -32,7 +62,7 @@ export default class CenterPanel extends React.Component {
                             <ChannelHeader />
                         </div>
                         <div id='post-list'>
-                            <PostsViewContainer />
+                            {postsContainer}
                         </div>
                         <div
                             className='post-create__container'
diff --git a/web/react/components/channel_view.jsx b/web/react/components/channel_view.jsx
index beafa7d63..3f53a94c2 100644
--- a/web/react/components/channel_view.jsx
+++ b/web/react/components/channel_view.jsx
@@ -1,10 +1,10 @@
 // Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 
-var CenterPanel = require('../components/center_panel.jsx');
-var Sidebar = require('../components/sidebar.jsx');
-var SidebarRight = require('../components/sidebar_right.jsx');
-var SidebarRightMenu = require('../components/sidebar_right_menu.jsx');
+const CenterPanel = require('../components/center_panel.jsx');
+const Sidebar = require('../components/sidebar.jsx');
+const SidebarRight = require('../components/sidebar_right.jsx');
+const SidebarRightMenu = require('../components/sidebar_right_menu.jsx');
 
 export default class ChannelView extends React.Component {
     constructor(props) {
diff --git a/web/react/components/create_post.jsx b/web/react/components/create_post.jsx
index 7c601af4b..1545cdfaa 100644
--- a/web/react/components/create_post.jsx
+++ b/web/react/components/create_post.jsx
@@ -1,21 +1,26 @@
 // Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 
+const MsgTyping = require('./msg_typing.jsx');
+const Textbox = require('./textbox.jsx');
+const FileUpload = require('./file_upload.jsx');
+const FilePreview = require('./file_preview.jsx');
+const TutorialTip = require('./tutorial/tutorial_tip.jsx');
+
 const AppDispatcher = require('../dispatcher/app_dispatcher.jsx');
 const Client = require('../utils/client.jsx');
 const AsyncClient = require('../utils/async_client.jsx');
+const Utils = require('../utils/utils.jsx');
+
 const ChannelStore = require('../stores/channel_store.jsx');
 const PostStore = require('../stores/post_store.jsx');
 const UserStore = require('../stores/user_store.jsx');
-const SocketStore = require('../stores/socket_store.jsx');
 const PreferenceStore = require('../stores/preference_store.jsx');
-const MsgTyping = require('./msg_typing.jsx');
-const Textbox = require('./textbox.jsx');
-const FileUpload = require('./file_upload.jsx');
-const FilePreview = require('./file_preview.jsx');
-const Utils = require('../utils/utils.jsx');
+const SocketStore = require('../stores/socket_store.jsx');
 
 const Constants = require('../utils/constants.jsx');
+const Preferences = Constants.Preferences;
+const TutorialSteps = Constants.TutorialSteps;
 const ActionTypes = Constants.ActionTypes;
 const KeyCodes = Constants.KeyCodes;
 
@@ -36,15 +41,16 @@ export default class CreatePost extends React.Component {
         this.handleTextDrop = this.handleTextDrop.bind(this);
         this.removePreview = this.removePreview.bind(this);
         this.onChange = this.onChange.bind(this);
+        this.onPreferenceChange = this.onPreferenceChange.bind(this);
         this.getFileCount = this.getFileCount.bind(this);
         this.handleKeyDown = this.handleKeyDown.bind(this);
         this.handleResize = this.handleResize.bind(this);
         this.sendMessage = this.sendMessage.bind(this);
-        this.onPreferenceChange = this.onPreferenceChange.bind(this);
 
         PostStore.clearDraftUploads();
 
         const draft = this.getCurrentDraft();
+        const tutorialPref = PreferenceStore.getPreference(Preferences.TUTORIAL_STEP, UserStore.getCurrentId(), {value: '0'});
 
         this.state = {
             channelId: ChannelStore.getCurrentId(),
@@ -55,16 +61,12 @@ export default class CreatePost extends React.Component {
             initialText: draft.messageText,
             windowWidth: Utils.windowWidth(),
             windowHeight: Utils.windowHeight(),
-            ctrlSend: PreferenceStore.getPreference(Constants.Preferences.CATEGORY_ADVANCED_SETTINGS, 'send_on_ctrl_enter', {value: 'false'}).value
+            ctrlSend: PreferenceStore.getPreference(Constants.Preferences.CATEGORY_ADVANCED_SETTINGS, 'send_on_ctrl_enter', {value: 'false'}).value,
+            showTutorialTip: parseInt(tutorialPref.value, 10) === TutorialSteps.POST_POPOVER
         };
 
         PreferenceStore.addChangeListener(this.onPreferenceChange);
     }
-    onPreferenceChange() {
-        this.setState({
-            ctrlSend: PreferenceStore.getPreference(Constants.Preferences.CATEGORY_ADVANCED_SETTINGS, 'send_on_ctrl_enter', {value: 'false'}).value
-        });
-    }
     handleResize() {
         this.setState({
             windowWidth: Utils.windowWidth(),
@@ -318,11 +320,13 @@ export default class CreatePost extends React.Component {
     }
     componentDidMount() {
         ChannelStore.addChangeListener(this.onChange);
+        PreferenceStore.addChangeListener(this.onPreferenceChange);
         this.resizePostHolder();
         window.addEventListener('resize', this.handleResize);
     }
     componentWillUnmount() {
         ChannelStore.removeChangeListener(this.onChange);
+        PreferenceStore.removeChangeListener(this.onPreferenceChange);
         window.removeEventListener('resize', this.handleResize);
     }
     onChange() {
@@ -333,6 +337,13 @@ export default class CreatePost extends React.Component {
             this.setState({channelId, messageText: draft.messageText, initialText: draft.messageText, submitting: false, serverError: null, postError: null, previews: draft.previews, uploadsInProgress: draft.uploadsInProgress});
         }
     }
+    onPreferenceChange() {
+        const tutorialPref = PreferenceStore.getPreference(Preferences.TUTORIAL_STEP, UserStore.getCurrentId(), {value: '0'});
+        this.setState({
+            showTutorialTip: parseInt(tutorialPref.value, 10) === TutorialSteps.POST_POPOVER,
+            ctrlSend: PreferenceStore.getPreference(Constants.Preferences.CATEGORY_ADVANCED_SETTINGS, 'send_on_ctrl_enter', {value: 'false'}).value
+        });
+    }
     getFileCount(channelId) {
         if (channelId === this.state.channelId) {
             return this.state.previews.length + this.state.uploadsInProgress.length;
@@ -367,6 +378,25 @@ export default class CreatePost extends React.Component {
             });
         }
     }
+    createTutorialTip() {
+        const screens = [];
+
+        screens.push(
+            <div>
+                <h4>{'Sending Messages'}</h4>
+                <p>{'Type here to write a message.'}</p>
+                <p>{'Click the attachment button to upload an image or a file.'}</p>
+            </div>
+        );
+
+        return (
+            <TutorialTip
+                placement='top'
+                screens={screens}
+                overlayClass='tip-overlay--chat'
+            />
+        );
+    }
     render() {
         let serverError = null;
         if (this.state.serverError) {
@@ -398,6 +428,11 @@ export default class CreatePost extends React.Component {
             postFooterClassName += ' has-error';
         }
 
+        let tutorialTip = null;
+        if (this.state.showTutorialTip) {
+            tutorialTip = this.createTutorialTip();
+        }
+
         return (
             <form
                 id='create_post'
@@ -436,6 +471,7 @@ export default class CreatePost extends React.Component {
                         >
                             <i className='fa fa-paper-plane' />
                         </a>
+                        {tutorialTip}
                     </div>
                     <div className={postFooterClassName}>
                         {postError}
diff --git a/web/react/components/login.jsx b/web/react/components/login.jsx
index c519959af..2b9ce67ca 100644
--- a/web/react/components/login.jsx
+++ b/web/react/components/login.jsx
@@ -185,7 +185,7 @@ export default class Login extends React.Component {
         if (this.props.inviteId) {
             userSignUp = (
                 <div>
-                    <span>{'Do not have an account? '}
+                    <span>{`Don't have an account? `}
                         <a
                             href={'/signup_user_complete/?id=' + this.props.inviteId}
                             className='signup-team-login'
diff --git a/web/react/components/navbar_dropdown.jsx b/web/react/components/navbar_dropdown.jsx
index dc21fad21..f43bdffdf 100644
--- a/web/react/components/navbar_dropdown.jsx
+++ b/web/react/components/navbar_dropdown.jsx
@@ -104,7 +104,7 @@ export default class NavbarDropdown extends React.Component {
                 </li>
             );
 
-            if (this.props.teamType === 'O') {
+            if (this.props.teamType === Constants.OPEN_TEAM) {
                 teamLink = (
                     <li>
                         <a
diff --git a/web/react/components/posts_view.jsx b/web/react/components/posts_view.jsx
index f5a492b85..2b81d1d79 100644
--- a/web/react/components/posts_view.jsx
+++ b/web/react/components/posts_view.jsx
@@ -4,6 +4,7 @@
 const UserStore = require('../stores/user_store.jsx');
 const Utils = require('../utils/utils.jsx');
 const Post = require('./post.jsx');
+const Constants = require('../utils/constants.jsx');
 
 export default class PostsView extends React.Component {
     constructor(props) {
@@ -69,6 +70,11 @@ export default class PostsView extends React.Component {
             const parentPost = posts[post.parent_id];
             const prevPost = posts[order[i + 1]];
 
+            // If the post is a comment whose parent has been deleted, don't add it to the list.
+            if (parentPost && parentPost.state === Constants.POST_DELETED) {
+                continue;
+            }
+
             let sameUser = false;
             let sameRoot = false;
             let hideProfilePic = false;
diff --git a/web/react/components/posts_view_container.jsx b/web/react/components/posts_view_container.jsx
index 9eda2a158..7671ca01d 100644
--- a/web/react/components/posts_view_container.jsx
+++ b/web/react/components/posts_view_container.jsx
@@ -2,15 +2,18 @@
 // See License.txt for license information.
 
 const PostsView = require('./posts_view.jsx');
+const LoadingScreen = require('./loading_screen.jsx');
+
 const ChannelStore = require('../stores/channel_store.jsx');
 const PostStore = require('../stores/post_store.jsx');
-const Constants = require('../utils/constants.jsx');
-const ActionTypes = Constants.ActionTypes;
+
 const Utils = require('../utils/utils.jsx');
 const Client = require('../utils/client.jsx');
 const AppDispatcher = require('../dispatcher/app_dispatcher.jsx');
 const AsyncClient = require('../utils/async_client.jsx');
-const LoadingScreen = require('./loading_screen.jsx');
+
+const Constants = require('../utils/constants.jsx');
+const ActionTypes = Constants.ActionTypes;
 
 import {createChannelIntroMessage} from '../utils/channel_intro_mssages.jsx';
 
diff --git a/web/react/components/search_autocomplete.jsx b/web/react/components/search_autocomplete.jsx
index f7d772677..03e14ec49 100644
--- a/web/react/components/search_autocomplete.jsx
+++ b/web/react/components/search_autocomplete.jsx
@@ -142,7 +142,10 @@ export default class SearchAutocomplete extends React.Component {
             let channels = ChannelStore.getAll();
 
             if (filter) {
-                channels = channels.filter((channel) => channel.name.startsWith(filter));
+                channels = channels.filter((channel) => channel.name.startsWith(filter) && channel.type !== 'D');
+            } else {
+                // don't show direct channels
+                channels = channels.filter((channel) => channel.type !== 'D');
             }
 
             channels.sort((a, b) => a.name.localeCompare(b.name));
diff --git a/web/react/components/search_bar.jsx b/web/react/components/search_bar.jsx
index 1b81a5ee0..90865475b 100644
--- a/web/react/components/search_bar.jsx
+++ b/web/react/components/search_bar.jsx
@@ -90,14 +90,10 @@ export default class SearchBar extends React.Component {
 
         this.refs.autocomplete.handleInputChange(e.target, term);
     }
-    handleMouseInput(e) {
-        e.preventDefault();
-    }
     handleUserBlur() {
         this.setState({focused: false});
     }
-    handleUserFocus(e) {
-        e.target.select();
+    handleUserFocus() {
         $('.search-bar__container').addClass('focused');
 
         this.setState({focused: true});
@@ -106,14 +102,8 @@ export default class SearchBar extends React.Component {
         if (terms.length) {
             this.setState({isSearching: true});
 
-            // append * if not present
-            let searchTerms = terms;
-            if (searchTerms.search(/\*\s*$/) === -1) {
-                searchTerms = searchTerms + '*';
-            }
-
             client.search(
-                searchTerms,
+                terms,
                 (data) => {
                     this.setState({isSearching: false});
                     if (utils.isMobile()) {
@@ -198,7 +188,6 @@ export default class SearchBar extends React.Component {
                         onBlur={this.handleUserBlur}
                         onChange={this.handleUserInput}
                         onKeyDown={this.handleKeyDown}
-                        onMouseUp={this.handleMouseInput}
                     />
                     {isSearching}
                     <SearchAutocomplete
diff --git a/web/react/components/sidebar.jsx b/web/react/components/sidebar.jsx
index 023955e97..c47919885 100644
--- a/web/react/components/sidebar.jsx
+++ b/web/react/components/sidebar.jsx
@@ -1,19 +1,26 @@
 // Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 
-const AsyncClient = require('../utils/async_client.jsx');
-const ChannelStore = require('../stores/channel_store.jsx');
-const Client = require('../utils/client.jsx');
-const Constants = require('../utils/constants.jsx');
-const PreferenceStore = require('../stores/preference_store.jsx');
 const NewChannelFlow = require('./new_channel_flow.jsx');
 const MoreDirectChannels = require('./more_direct_channels.jsx');
 const SearchBox = require('./search_bar.jsx');
 const SidebarHeader = require('./sidebar_header.jsx');
-const TeamStore = require('../stores/team_store.jsx');
 const UnreadChannelIndicator = require('./unread_channel_indicator.jsx');
+const TutorialTip = require('./tutorial/tutorial_tip.jsx');
+
+const ChannelStore = require('../stores/channel_store.jsx');
 const UserStore = require('../stores/user_store.jsx');
+const TeamStore = require('../stores/team_store.jsx');
+const PreferenceStore = require('../stores/preference_store.jsx');
+
+const AsyncClient = require('../utils/async_client.jsx');
+const Client = require('../utils/client.jsx');
 const Utils = require('../utils/utils.jsx');
+
+const Constants = require('../utils/constants.jsx');
+const Preferences = Constants.Preferences;
+const TutorialSteps = Constants.TutorialSteps;
+
 const Tooltip = ReactBootstrap.Tooltip;
 const OverlayTrigger = ReactBootstrap.OverlayTrigger;
 
@@ -155,12 +162,15 @@ export default class Sidebar extends React.Component {
 
         visibleDirectChannels.sort(this.sortChannelsByDisplayName);
 
+        const tutorialPref = PreferenceStore.getPreference(Preferences.TUTORIAL_STEP, UserStore.getCurrentId(), {value: '0'});
+
         return {
             activeId: currentId,
             channels: ChannelStore.getAll(),
             members,
             visibleDirectChannels,
-            hiddenDirectChannelCount
+            hiddenDirectChannelCount,
+            showTutorialTip: parseInt(tutorialPref.value, 10) === TutorialSteps.CHANNEL_POPOVER
         };
     }
 
@@ -308,6 +318,51 @@ export default class Sidebar extends React.Component {
         this.setState({showDirectChannelsModal: false});
     }
 
+    createTutorialTip() {
+        const screens = [];
+
+        screens.push(
+            <div>
+                <h4>{'Channels'}</h4>
+                <p><strong>{'Channels'}</strong>{' organize conversations across different topics. They’re open to everyone on your team. To send private communications use '}<strong>{'Direct Messages'}</strong>{' for a single person or '}<strong>{'Private Groups'}</strong>{' for multiple people.'}
+                </p>
+            </div>
+        );
+
+        screens.push(
+            <div>
+                <h4>{'"Town Square" and "Off-Topic" channels'}</h4>
+                <p>{'Here are two public channels to start:'}</p>
+                <p>
+                    <strong>{'Town Square'}</strong>{' is a place for team-wide communication. Everyone in your team is a member of this channel.'}
+                </p>
+                <p>
+                    <strong>{'Off-Topic'}</strong>{' is a place for fun and humor outside of work-related channels. You and your team can decide what other channels to create.'}
+                </p>
+            </div>
+        );
+
+        screens.push(
+            <div>
+                <h4>{'Creating and Joining Channels'}</h4>
+                <p>
+                    {'Click '}<strong>{'"More..."'}</strong>{' to create a new channel or join an existing one.'}
+                </p>
+                <p>
+                    {'You can also create a new channel or private group by clicking the '}<strong>{'"+" symbol'}</strong>{' next to the channel or private group header.'}
+                </p>
+            </div>
+        );
+
+        return (
+            <TutorialTip
+                placement='right'
+                screens={screens}
+                overlayClass='tip-overlay--sidebar'
+            />
+        );
+    }
+
     createChannelElement(channel, index, arr, handleClose) {
         var members = this.state.members;
         var activeId = this.state.activeId;
@@ -444,6 +499,11 @@ export default class Sidebar extends React.Component {
             rowClass += ' has-close';
         }
 
+        let tutorialTip = null;
+        if (this.state.showTutorialTip && channel.name === Constants.DEFAULT_CHANNEL) {
+            tutorialTip = this.createTutorialTip();
+        }
+
         return (
             <li
                 key={channel.name}
@@ -460,6 +520,7 @@ export default class Sidebar extends React.Component {
                     {badge}
                     {closeButton}
                 </a>
+                {tutorialTip}
             </li>
         );
     }
diff --git a/web/react/components/sidebar_header.jsx b/web/react/components/sidebar_header.jsx
index 65e4c6d7e..3f777d93c 100644
--- a/web/react/components/sidebar_header.jsx
+++ b/web/react/components/sidebar_header.jsx
@@ -1,9 +1,16 @@
 // Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
 // See License.txt for license information.
 
-var NavbarDropdown = require('./navbar_dropdown.jsx');
-var UserStore = require('../stores/user_store.jsx');
+const NavbarDropdown = require('./navbar_dropdown.jsx');
+const TutorialTip = require('./tutorial/tutorial_tip.jsx');
+
+const UserStore = require('../stores/user_store.jsx');
+const PreferenceStore = require('../stores/preference_store.jsx');
+
 const Utils = require('../utils/utils.jsx');
+const Constants = require('../utils/constants.jsx');
+const Preferences = Constants.Preferences;
+const TutorialSteps = Constants.TutorialSteps;
 
 const Tooltip = ReactBootstrap.Tooltip;
 const OverlayTrigger = ReactBootstrap.OverlayTrigger;
@@ -13,8 +20,23 @@ export default class SidebarHeader extends React.Component {
         super(props);
 
         this.toggleDropdown = this.toggleDropdown.bind(this);
+        this.onPreferenceChange = this.onPreferenceChange.bind(this);
 
-        this.state = {};
+        this.state = this.getStateFromStores();
+    }
+    componentDidMount() {
+        PreferenceStore.addChangeListener(this.onPreferenceChange);
+    }
+    componentWillUnmount() {
+        PreferenceStore.removeChangeListener(this.onPreferenceChange);
+    }
+    getStateFromStores() {
+        const tutorialPref = PreferenceStore.getPreference(Preferences.TUTORIAL_STEP, UserStore.getCurrentId(), {value: '0'});
+
+        return {showTutorialTip: parseInt(tutorialPref.value, 10) === TutorialSteps.MENU_POPOVER};
+    }
+    onPreferenceChange() {
+        this.setState(this.getStateFromStores());
     }
     toggleDropdown(e) {
         e.preventDefault();
@@ -24,6 +46,38 @@ export default class SidebarHeader extends React.Component {
         }
         $('.team__header').find('.dropdown-toggle').dropdown('toggle');
     }
+    createTutorialTip() {
+        const screens = [];
+
+        screens.push(
+            <div>
+                <h4>{'Main Menu'}</h4>
+                <p>
+                {'The '}<strong>{'Main Menu'}</strong>{' is where you can '}
+                <strong>{'Invite New Members'}</strong>
+                {', access your '}
+                <strong>{'Account Settings'}</strong>
+                {' and set your '}<strong>{'Theme Color'}</strong>{'.'}
+                </p>
+                <p>
+                {'Team administrators can also access their '}<strong>{'Team Settings'}</strong>{' from this menu.'}
+                </p>
+            </div>
+        );
+
+        return (
+            <div
+                onClick={this.toggleDropdown}
+            >
+                <TutorialTip
+                    ref='tip'
+                    placement='right'
+                    screens={screens}
+                    overlayClass='tip-overlay--header'
+                />
+            </div>
+        );
+    }
     render() {
         var me = UserStore.getCurrentUser();
         var profilePicture = null;
@@ -41,8 +95,14 @@ export default class SidebarHeader extends React.Component {
             );
         }
 
+        let tutorialTip = null;
+        if (this.state.showTutorialTip) {
+            tutorialTip = this.createTutorialTip();
+        }
+
         return (
             <div className='team__header theme'>
+                {tutorialTip}
                 <a
                     href='#'
                     onClick={this.toggleDropdown}
diff --git a/web/react/components/signup_team.jsx b/web/react/components/signup_team.jsx
index f926f5cbb..37760a2a2 100644
--- a/web/react/components/signup_team.jsx
+++ b/web/react/components/signup_team.jsx
@@ -12,11 +12,6 @@ export default class TeamSignUp extends React.Component {
 
         this.updatePage = this.updatePage.bind(this);
 
-        if (global.window.mm_config.EnableTeamListing === 'true') {
-            this.state = {page: 'team_listing'};
-            return;
-        }
-
         var count = 0;
 
         if (global.window.mm_config.EnableSignUpWithEmail === 'true') {
@@ -41,50 +36,83 @@ export default class TeamSignUp extends React.Component {
     }
 
     render() {
-        if (this.state.page === 'team_listing') {
-            return (
-                <div>
-                    <h3>{'Choose a Team'}</h3>
-                    <div className='signup-team-all'>
-                        {
-                            this.props.teams.map((team) => {
-                                return (
-                                    <div
-                                        key={'team_' + team.name}
-                                        className='signup-team-dir'
-                                    >
-                                        <a
-                                            href={'/' + team.name}
+        var teamListing = null;
+
+        if (global.window.mm_config.EnableTeamListing === 'true') {
+            if (this.props.teams.length === 0) {
+                if (global.window.mm_config.EnableTeamCreation !== 'true') {
+                    teamListing = (<div>{'There are no teams include in the Team Directory and team creation has been disabled.'}</div>);
+                }
+            } else {
+                teamListing = (
+                    <div>
+                        <h3>{'Choose a Team'}</h3>
+                        <div className='signup-team-all'>
+                            {
+                                this.props.teams.map((team) => {
+                                    return (
+                                        <div
+                                            key={'team_' + team.name}
+                                            className='signup-team-dir'
                                         >
-                                            <div className='signup-team-dir__group'>
-                                                <span className='signup-team-dir__name'>{team.display_name}</span>
-                                                <span
-                                                    className='glyphicon glyphicon-menu-right right signup-team-dir__arrow'
-                                                    aria-hidden='true'
-                                                />
-                                            </div>
-                                        </a>
-                                    </div>
-                                );
-                            })
-                        }
+                                            <a
+                                                href={'/' + team.name}
+                                            >
+                                                <div className='signup-team-dir__group'>
+                                                    <span className='signup-team-dir__name'>{team.display_name}</span>
+                                                    <span
+                                                        className='glyphicon glyphicon-menu-right right signup-team-dir__arrow'
+                                                        aria-hidden='true'
+                                                    />
+                                                </div>
+                                            </a>
+                                        </div>
+                                    );
+                                })
+                            }
+                        </div>
                     </div>
+                );
+            }
+        }
+
+        if (global.window.mm_config.EnableTeamCreation !== 'true') {
+            if (teamListing == null) {
+                return (<div>{'Team creation has been disabled.  Please contact an administrator for access.'}</div>);
+            }
+
+            return (
+                <div>
+                    {teamListing}
                 </div>
             );
         }
 
         if (this.state.page === 'choose') {
             return (
-                <ChoosePage
-                    updatePage={this.updatePage}
-                />
+                <div>
+                    {teamListing}
+                    <ChoosePage
+                        updatePage={this.updatePage}
+                    />
+                </div>
             );
         }
 
         if (this.state.page === 'email') {
-            return <EmailSignUpPage />;
+            return (
+                <div>
+                    {teamListing}
+                    <EmailSignUpPage />
+                </div>
+            );
         } else if (this.state.page === 'gitlab') {
-            return <SSOSignupPage service={Constants.GITLAB_SERVICE} />;
+            return (
+                <div>
+                    {teamListing}
+                    <SSOSignupPage service={Constants.GITLAB_SERVICE} />
+                </div>
+            );
         }
     }
 }
diff --git a/web/react/components/team_general_tab.jsx b/web/react/components/team_general_tab.jsx
index 69ba44664..c7c4fa2ea 100644
--- a/web/react/components/team_general_tab.jsx
+++ b/web/react/components/team_general_tab.jsx
@@ -54,7 +54,6 @@ export default class GeneralTab extends React.Component {
 
     handleTeamListingRadio(listing) {
         if (global.window.mm_config.EnableTeamListing !== 'true' && listing) {
-            ReactDOM.findDOMNode(this.refs.teamListingRadioNo).checked = true;
             this.setState({clientError: 'Team directory has been disabled.  Please ask a system admin to enable it.'});
         } else {
             this.setState({allow_team_listing: listing});
@@ -278,13 +277,13 @@ export default class GeneralTab extends React.Component {
                         </label>
                         <br/>
                     </div>
-                    <div><br/>{'When allowed the team will appear on the main page as part of team directory.'}</div>
+                    <div><br/>{'Including this team will display the team name from the Team Directory section of the Home Page, and provide a link to the sign-in page.'}</div>
                 </div>
             ];
 
             teamListingSection = (
                 <SettingItemMax
-                    title='Allow in Team Directory'
+                    title='Include this team in the Team Directory'
                     inputs={inputs}
                     submit={this.handleTeamListingSubmit}
                     server_error={serverError}
@@ -302,7 +301,7 @@ export default class GeneralTab extends React.Component {
 
             teamListingSection = (
                 <SettingItemMin
-                    title='Allow in Team Directory'
+                    title='Include this team in the Team Directory'
                     describe={describe}
                     updateSection={this.onUpdateTeamListingSection}
                 />
@@ -337,13 +336,13 @@ export default class GeneralTab extends React.Component {
                         </label>
                         <br/>
                     </div>
-                    <div><br/>{'When allowed the team signup link will be included on the login page and anyone can signup to this team.'}</div>
+                    <div><br/>{'When allowed, a link to account creation will be included on the sign-in page of this team and allow any visitor to sign-up.'}</div>
                 </div>
             ];
 
             openInviteSection = (
                 <SettingItemMax
-                    title='Allow Open Invitations'
+                    title='Allow anyone to sign-up from login page'
                     inputs={inputs}
                     submit={this.handleOpenInviteSubmit}
                     server_error={serverError}
@@ -360,7 +359,7 @@ export default class GeneralTab extends React.Component {
 
             openInviteSection = (
                 <SettingItemMin
-                    title='Allow Open Invitations'
+                    title='Allow anyone to sign-up from login page'
                     describe={describe}
                     updateSection={this.onUpdateOpenInviteSection}
                 />
@@ -387,7 +386,7 @@ export default class GeneralTab extends React.Component {
                             maxLength='32'
                         />
                     </div>
-                    <div><br/>{'When allowing open invites this code is used as part of the signup process.  Changing this code will invalidate the previous open signup link.'}</div>
+                    <div><br/>{'Your Invite Code is used in the URL sent to people to join your team. Regenerating your Invite Code will invalidate the URLs in previous invitations, unless "Allow anyone to sign-up from login page" is enabled.'}</div>
                     <div className='help-text'>
                         <button
                             className='btn btn-default'
@@ -413,7 +412,7 @@ export default class GeneralTab extends React.Component {
             inviteSection = (
                 <SettingItemMin
                     title={`Invite Code`}
-                    describe={`Click 'Edit' to re-generate invite Code.`}
+                    describe={`Click 'Edit' to regenerate Invite Code.`}
                     updateSection={this.onUpdateInviteIdSection}
                 />
             );
diff --git a/web/react/components/tutorial/tutorial_intro_screens.jsx b/web/react/components/tutorial/tutorial_intro_screens.jsx
new file mode 100644
index 000000000..c7abccae3
--- /dev/null
+++ b/web/react/components/tutorial/tutorial_intro_screens.jsx
@@ -0,0 +1,152 @@
+// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+const UserStore = require('../../stores/user_store.jsx');
+const ChannelStore = require('../../stores/channel_store.jsx');
+const TeamStore = require('../../stores/team_store.jsx');
+const PreferenceStore = require('../../stores/preference_store.jsx');
+const Utils = require('../../utils/utils.jsx');
+const AsyncClient = require('../../utils/async_client.jsx');
+
+const Constants = require('../../utils/constants.jsx');
+const Preferences = Constants.Preferences;
+
+export default class TutorialIntroScreens extends React.Component {
+    constructor(props) {
+        super(props);
+
+        this.handleNext = this.handleNext.bind(this);
+        this.createScreen = this.createScreen.bind(this);
+
+        this.state = {currentScreen: 0};
+    }
+    handleNext() {
+        if (this.state.currentScreen < 2) {
+            this.setState({currentScreen: this.state.currentScreen + 1});
+            return;
+        }
+
+        Utils.switchChannel(ChannelStore.getByName(Constants.DEFAULT_CHANNEL));
+
+        let preference = PreferenceStore.getPreference(Preferences.TUTORIAL_STEP, UserStore.getCurrentId(), {value: '0'});
+
+        const newValue = (parseInt(preference.value, 10) + 1).toString();
+
+        preference = PreferenceStore.setPreference(Preferences.TUTORIAL_STEP, UserStore.getCurrentId(), newValue);
+        AsyncClient.savePreferences([preference]);
+    }
+    createScreen() {
+        switch (this.state.currentScreen) {
+        case 0:
+            return this.createScreenOne();
+        case 1:
+            return this.createScreenTwo();
+        case 2:
+            return this.createScreenThree();
+        }
+    }
+    createScreenOne() {
+        return (
+            <div>
+                <h3>{'Welcome to:'}</h3>
+                <h1>{'Mattermost'}</h1>
+                <p>{'Your team communications all in one place, instantly searchable and available anywhere.'}</p>
+                <p>{'Keep your team connected to help them achieve what matters most.'}</p>
+                <div className='tutorial__circles'>
+                    <div className='circle active'/>
+                    <div className='circle'/>
+                    <div className='circle'/>
+                </div>
+            </div>
+        );
+    }
+    createScreenTwo() {
+        return (
+            <div>
+                <h3>{'How Mattermost works:'}</h3>
+                <p>{'Communication happens in public discussion channels, private groups and direct messages.'}</p>
+                <p>{'Everything is archived and searchable from any web-enabled laptop, tablet or phone.'}</p>
+                <div className='tutorial__circles'>
+                    <div className='circle'/>
+                    <div className='circle active'/>
+                    <div className='circle'/>
+                </div>
+            </div>
+        );
+    }
+    createScreenThree() {
+        const team = TeamStore.getCurrent();
+        let inviteModalLink;
+        if (team.type === Constants.INVITE_TEAM) {
+            inviteModalLink = (
+                <a
+                    className='intro-links'
+                    href='#'
+                    data-toggle='modal'
+                    data-target='#invite_member'
+                >
+                    {'Invite teammates'}
+                </a>
+            );
+        } else {
+            inviteModalLink = (
+                <a
+                    className='intro-links'
+                    href='#'
+                    data-toggle='modal'
+                    data-target='#get_link'
+                    data-title='Team Invite'
+                    data-value={Utils.getWindowLocationOrigin() + '/signup_user_complete/?id=' + team.id}
+                >
+                    {'Invite teammates'}
+                </a>
+            );
+        }
+
+        return (
+            <div>
+                <h3>{'You’re all set'}</h3>
+                <p>
+                    {inviteModalLink}
+                    {' when you’re ready.'}
+                </p>
+                <p>
+                    {'Need anything, just email us at '}
+                    <a
+                        href='mailto:feedback@mattermost.com'
+                        target='_blank'
+                    >
+                        {'feedback@mattermost.com'}
+                    </a>
+                    {'.'}
+                </p>
+                {'Click “Next” to enter Town Square. This is the first channel teammates see when they sign up - use it for posting updates everyone needs to know.'}
+                <div className='tutorial__circles'>
+                    <div className='circle'/>
+                    <div className='circle'/>
+                    <div className='circle active'/>
+                </div>
+            </div>
+        );
+    }
+    render() {
+        const screen = this.createScreen();
+
+        return (
+            <div className='tutorial-steps__container'>
+                <div className='tutorial__content'>
+                    <div className='tutorial__steps'>
+                        {screen}
+                        <button
+                            className='btn btn-primary'
+                            tabIndex='1'
+                            onClick={this.handleNext}
+                        >
+                            {'Next'}
+                        </button>
+                    </div>
+                </div>
+            </div>
+        );
+    }
+}
diff --git a/web/react/components/tutorial/tutorial_tip.jsx b/web/react/components/tutorial/tutorial_tip.jsx
new file mode 100644
index 000000000..c85acb346
--- /dev/null
+++ b/web/react/components/tutorial/tutorial_tip.jsx
@@ -0,0 +1,131 @@
+// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+const UserStore = require('../../stores/user_store.jsx');
+const PreferenceStore = require('../../stores/preference_store.jsx');
+const AsyncClient = require('../../utils/async_client.jsx');
+
+const Constants = require('../../utils/constants.jsx');
+const Preferences = Constants.Preferences;
+
+const Overlay = ReactBootstrap.Overlay;
+
+export default class TutorialTip extends React.Component {
+    constructor(props) {
+        super(props);
+
+        this.handleNext = this.handleNext.bind(this);
+        this.toggle = this.toggle.bind(this);
+
+        this.state = {currentScreen: 0, show: false};
+    }
+    toggle() {
+        const show = !this.state.show;
+        this.setState({show});
+
+        if (!show && this.state.currentScreen >= this.props.screens.length - 1) {
+            let preference = PreferenceStore.getPreference(Preferences.TUTORIAL_STEP, UserStore.getCurrentId(), {value: '0'});
+
+            const newValue = (parseInt(preference.value, 10) + 1).toString();
+
+            preference = PreferenceStore.setPreference(Preferences.TUTORIAL_STEP, UserStore.getCurrentId(), newValue);
+            AsyncClient.savePreferences([preference]);
+        }
+    }
+    handleNext() {
+        if (this.state.currentScreen < this.props.screens.length - 1) {
+            this.setState({currentScreen: this.state.currentScreen + 1});
+            return;
+        }
+
+        this.toggle();
+    }
+    skipTutorial(e) {
+        e.preventDefault();
+        const preference = PreferenceStore.setPreference(Preferences.TUTORIAL_STEP, UserStore.getCurrentId(), '999');
+        AsyncClient.savePreferences([preference]);
+    }
+    render() {
+        const buttonText = this.state.currentScreen === this.props.screens.length - 1 ? 'Okay' : 'Next';
+
+        const dots = [];
+        if (this.props.screens.length > 1) {
+            for (let i = 0; i < this.props.screens.length; i++) {
+                if (i === this.state.currentScreen) {
+                    dots.push(
+                        <div
+                            className='circle active'
+                            key={'dotactive' + i}
+                        />
+                    );
+                } else {
+                    dots.push(
+                        <div
+                            className='circle'
+                            key={'dotinactive' + i}
+                        />
+                    );
+                }
+            }
+        }
+
+        return (
+            <div className={'tip-div ' + this.props.overlayClass}>
+                <img
+                    className='tip-button'
+                    src='/static/images/tutorialTip.gif'
+                    width='35'
+                    onClick={this.toggle}
+                    ref='target'
+                />
+
+                <Overlay
+                    show={this.state.show}
+                >
+                    <div className='tip-backdrop'/>
+                </Overlay>
+
+                <Overlay
+                    placement={this.props.placement}
+                    show={this.state.show}
+                    rootClose={true}
+                    onHide={this.toggle}
+                    target={() => this.refs.target}
+                >
+                    <div className={'tip-overlay ' + this.props.overlayClass}>
+                        <div className='arrow'></div>
+                        {this.props.screens[this.state.currentScreen]}
+                        <div className='tutorial__circles'>{dots}</div>
+                        <div className='text-right'>
+                            <button
+                                className='btn btn-default'
+                                onClick={this.handleNext}
+                            >
+                                {buttonText}
+                            </button>
+                            <div className='tip-opt'>
+                                {'Seen this before? '}
+                                <a
+                                    href='#'
+                                    onClick={this.skipTutorial}
+                                >
+                                    {'Opt out of these tips.'}
+                                </a>
+                            </div>
+                        </div>
+                    </div>
+                </Overlay>
+            </div>
+        );
+    }
+}
+
+TutorialTip.defaultProps = {
+    overlayClass: ''
+};
+
+TutorialTip.propTypes = {
+    screens: React.PropTypes.array.isRequired,
+    placement: React.PropTypes.string.isRequired,
+    overlayClass: React.PropTypes.string
+};
diff --git a/web/react/utils/constants.jsx b/web/react/utils/constants.jsx
index 8884d1d10..fd64b1554 100644
--- a/web/react/utils/constants.jsx
+++ b/web/react/utils/constants.jsx
@@ -314,7 +314,14 @@ module.exports = {
     Preferences: {
         CATEGORY_DIRECT_CHANNEL_SHOW: 'direct_channel_show',
         CATEGORY_DISPLAY_SETTINGS: 'display_settings',
-        CATEGORY_ADVANCED_SETTINGS: 'advanced_settings'
+        CATEGORY_ADVANCED_SETTINGS: 'advanced_settings',
+        TUTORIAL_STEP: 'tutorial_step'
+    },
+    TutorialSteps: {
+        INTRO_SCREENS: 0,
+        POST_POPOVER: 1,
+        CHANNEL_POPOVER: 2,
+        MENU_POPOVER: 3
     },
     KeyCodes: {
         UP: 38,
diff --git a/web/sass-files/sass/partials/_responsive.scss b/web/sass-files/sass/partials/_responsive.scss
index 8f353c401..a49a98952 100644
--- a/web/sass-files/sass/partials/_responsive.scss
+++ b/web/sass-files/sass/partials/_responsive.scss
@@ -179,6 +179,15 @@
 }
 
 @media screen and (max-width: 1140px) {
+    .tip-overlay {
+        &.tip-overlay--chat {
+            margin: -10px 0 0 -10px;
+            .arrow {
+                right: 15px;
+                left: auto;
+            }
+        }
+    }
     .inner__wrap {
         &.move--left {
             .file-overlay {
@@ -266,6 +275,18 @@
     }
 }
 @media screen and (max-width: 768px) {
+    .tip-div {
+        left: 15px;
+        right: auto;
+    }
+    .tip-overlay {
+        &.tip-overlay--chat {
+            margin-left: 10px;
+            .arrow {
+                left: 32px;
+            }
+        }
+    }
     .file-details__container {
         display: block;
         .file-details__preview {
@@ -482,7 +503,6 @@
             padding-bottom: 10px;
             display: table;
             width: 100%;
-            table-layout: fixed;
             .post-body__cell {
                 display: table-cell;
                 padding-left: 45px;
diff --git a/web/sass-files/sass/partials/_signup.scss b/web/sass-files/sass/partials/_signup.scss
index 14c676f82..84f9892f4 100644
--- a/web/sass-files/sass/partials/_signup.scss
+++ b/web/sass-files/sass/partials/_signup.scss
@@ -316,7 +316,7 @@
 .signup-team-all {
     width: 280px;
     box-shadow: 3px 3px 1px #d5d5d5;
-    margin: 0px 0px 0px 5px;
+    margin: 0px 0px 50px 5px;
 }
 
 .signup-team-dir {
diff --git a/web/sass-files/sass/partials/_tutorial.scss b/web/sass-files/sass/partials/_tutorial.scss
new file mode 100644
index 000000000..42183d599
--- /dev/null
+++ b/web/sass-files/sass/partials/_tutorial.scss
@@ -0,0 +1,188 @@
+.tip-backdrop {
+    background: rgba(black, 0.5);
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    z-index: 999;
+}
+
+.tip-overlay {
+    width: 350px;
+    max-width: 90%;
+    position:absolute;
+    background-color: #fff;
+    @include border-radius(3px);
+    padding: 20px;
+    z-index: 1000;
+
+    .arrow {
+        border-width: 10px;
+        position: absolute;
+        display: block;
+        width: 0;
+        height: 0;
+        border-color: transparent;
+        border-style: solid;
+    }
+
+    &.tip-overlay--sidebar {
+        max-width: 75%;
+        margin: 50px 0 0 10px;
+        .arrow {
+            top: 80px;
+            left: -10px;
+            margin-top: -10px;
+            border-left-width: 0;
+            border-right-color: #fff;
+        }
+    }
+
+    &.tip-overlay--header {
+        margin: 10px 0 0 10px;
+        .arrow {
+            top: 15px;
+            left: -10px;
+            border-left-width: 0;
+            border-right-color: #fff;
+        }
+    }
+
+    &.tip-overlay--chat {
+        margin-top: -10px;
+        .arrow {
+            left: 50%;
+            margin-left: -10px;
+            border-bottom-width: 0;
+            border-top-color: #fff;
+            bottom: -10px;
+        }
+    }
+
+    h4 {
+        font-size: em(16px);
+        font-weight: 600;
+        margin: 5px 0 15px;
+    }
+
+    p {
+        font-size: 13px;
+        line-height: 1.6;
+
+        strong {
+            font-weight: 600;
+        }
+
+    }
+
+    .btn {
+        background: #cccccc;
+        color: #fff;
+        @include border-radius(3px);
+        border: none;
+        margin-bottom: 10px;
+
+        &:hover, &:active, &:focus {
+            color: #fff;
+            border: none;
+            background: #bbb;
+        }
+
+    }
+
+    .tip-opt {
+        font-size: 12px;
+
+        span {
+            @include opacity(0.5);
+        }
+
+    }
+
+    .tutorial__circles {
+        margin: 1.5em 0px -1.7em -4px;
+
+        .circle {
+            width: 7px;
+            height: 7px;
+            margin: 0 4px;
+            &.active {
+                background: #000;
+                @include opacity(0.4);
+            }
+
+        }
+
+    }
+
+}
+
+.tip-button {
+    z-index: 998;
+    right: -10px;
+    top: -10px;
+    position: relative;
+    cursor: pointer;
+}
+
+.tip-div {
+    position:absolute;
+    top:0px;
+    right:0px;
+
+    &.tip-overlay--header {
+        top: 20px;
+    }
+
+    &.tip-overlay--sidebar {
+        left: 0;
+        top: -9px;
+    }
+
+}
+
+.tutorial-steps__container {
+    text-align: center;
+    width: 100%;
+    display: table;
+    .tutorial__content {
+        display: table-cell;
+        vertical-align: middle;
+        padding-bottom: 100px;
+        padding: 0 40px;
+        .tutorial__steps {
+            max-width: 310px;
+            min-height: 420px;
+            text-align: left;
+            display: inline-block;
+        }
+    }
+    h1 {
+        font-size: em(40px);
+        margin: -20px 0 30px;
+        font-weight: 600;
+    }
+    h3 {
+        font-size: em(24px);
+        margin-bottom: 30px;
+        font-weight: 600;
+    }
+}
+
+.tutorial__circles {
+    margin: 2em 0;
+    .circle {
+        width: 9px;
+        height: 9px;
+        @include border-radius(9px);
+        @include opacity(0.1);
+        background: #000;
+        display: inline-block;
+        margin: 0 5px;
+        &.active {
+            background: $primary-color;
+            @include opacity(1);
+        }
+    }
+}
\ No newline at end of file
diff --git a/web/sass-files/sass/styles.scss b/web/sass-files/sass/styles.scss
index ad2cae194..5c83d5c5b 100644
--- a/web/sass-files/sass/styles.scss
+++ b/web/sass-files/sass/styles.scss
@@ -38,6 +38,7 @@
 @import "partials/loading";
 @import "partials/get-link";
 @import "partials/markdown";
+@import "partials/tutorial";
 @import "partials/statistics";
 
 // Responsive Css
diff --git a/web/static/images/tutorialTip.gif b/web/static/images/tutorialTip.gif
new file mode 100644
index 000000000..f185ff4b9
--- /dev/null
+++ b/web/static/images/tutorialTip.gif
diff --git a/web/static/js/babel-es6-polyfill.js b/web/static/js/babel-es6-polyfill.js
new file mode 100644
index 000000000..29161d1aa
--- /dev/null
+++ b/web/static/js/babel-es6-polyfill.js
@@ -0,0 +1,2591 @@
+(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+(function (global){
+"use strict";
+
+if (global._babelPolyfill) {
+    throw new Error("only one instance of babel/polyfill is allowed");
+}
+global._babelPolyfill = true;
+
+require("./es6-shim");
+
+require("regenerator-babel/runtime");
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{"./es6-shim":2,"regenerator-babel/runtime":60}],2:[function(require,module,exports){
+require('core-js/es6');
+module.exports = require('core-js/modules/$').core;
+},{"core-js/es6":3,"core-js/modules/$":16}],3:[function(require,module,exports){
+require('../modules/es6.symbol');

+require('../modules/es6.object.assign');

+require('../modules/es6.object.is');

+require('../modules/es6.object.set-prototype-of');

+require('../modules/es6.object.to-string');

+require('../modules/es6.object.statics-accept-primitives');

+require('../modules/es6.function.name');

+require('../modules/es6.number.constructor');

+require('../modules/es6.number.statics');

+require('../modules/es6.math');

+require('../modules/es6.string.from-code-point');

+require('../modules/es6.string.raw');

+require('../modules/es6.string.iterator');

+require('../modules/es6.string.code-point-at');

+require('../modules/es6.string.ends-with');

+require('../modules/es6.string.includes');

+require('../modules/es6.string.repeat');

+require('../modules/es6.string.starts-with');

+require('../modules/es6.array.from');

+require('../modules/es6.array.of');

+require('../modules/es6.array.species');

+require('../modules/es6.array.iterator');

+require('../modules/es6.array.copy-within');

+require('../modules/es6.array.fill');

+require('../modules/es6.array.find');

+require('../modules/es6.array.find-index');

+require('../modules/es6.regexp');

+require('../modules/es6.promise');

+require('../modules/es6.map');

+require('../modules/es6.set');

+require('../modules/es6.weak-map');

+require('../modules/es6.weak-set');

+require('../modules/es6.reflect');

+module.exports = require('../modules/$').core;
+},{"../modules/$":16,"../modules/es6.array.copy-within":27,"../modules/es6.array.fill":28,"../modules/es6.array.find":30,"../modules/es6.array.find-index":29,"../modules/es6.array.from":31,"../modules/es6.array.iterator":32,"../modules/es6.array.of":33,"../modules/es6.array.species":34,"../modules/es6.function.name":35,"../modules/es6.map":36,"../modules/es6.math":37,"../modules/es6.number.constructor":38,"../modules/es6.number.statics":39,"../modules/es6.object.assign":40,"../modules/es6.object.is":41,"../modules/es6.object.set-prototype-of":42,"../modules/es6.object.statics-accept-primitives":43,"../modules/es6.object.to-string":44,"../modules/es6.promise":45,"../modules/es6.reflect":46,"../modules/es6.regexp":47,"../modules/es6.set":48,"../modules/es6.string.code-point-at":49,"../modules/es6.string.ends-with":50,"../modules/es6.string.from-code-point":51,"../modules/es6.string.includes":52,"../modules/es6.string.iterator":53,"../modules/es6.string.raw":54,"../modules/es6.string.repeat":55,"../modules/es6.string.starts-with":56,"../modules/es6.symbol":57,"../modules/es6.weak-map":58,"../modules/es6.weak-set":59}],4:[function(require,module,exports){
+'use strict';

+// 0 -> Array#forEach

+// 1 -> Array#map

+// 2 -> Array#filter

+// 3 -> Array#some

+// 4 -> Array#every

+// 5 -> Array#find

+// 6 -> Array#findIndex

+var $   = require('./$')

+  , ctx = require('./$.ctx');

+module.exports = function(TYPE){

+  var IS_MAP        = TYPE == 1

+    , IS_FILTER     = TYPE == 2

+    , IS_SOME       = TYPE == 3

+    , IS_EVERY      = TYPE == 4

+    , IS_FIND_INDEX = TYPE == 6

+    , NO_HOLES      = TYPE == 5 || IS_FIND_INDEX;

+  return function(callbackfn/*, that = undefined */){

+    var O      = Object($.assertDefined(this))

+      , self   = $.ES5Object(O)

+      , f      = ctx(callbackfn, arguments[1], 3)

+      , length = $.toLength(self.length)

+      , index  = 0

+      , result = IS_MAP ? Array(length) : IS_FILTER ? [] : undefined

+      , val, res;

+    for(;length > index; index++)if(NO_HOLES || index in self){

+      val = self[index];

+      res = f(val, index, O);

+      if(TYPE){

+        if(IS_MAP)result[index] = res;            // map

+        else if(res)switch(TYPE){

+          case 3: return true;                    // some

+          case 5: return val;                     // find

+          case 6: return index;                   // findIndex

+          case 2: result.push(val);               // filter

+        } else if(IS_EVERY)return false;          // every

+      }

+    }

+    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : result;

+  };

+};
+},{"./$":16,"./$.ctx":11}],5:[function(require,module,exports){
+var $ = require('./$');

+function assert(condition, msg1, msg2){

+  if(!condition)throw TypeError(msg2 ? msg1 + msg2 : msg1);

+}

+assert.def = $.assertDefined;

+assert.fn = function(it){

+  if(!$.isFunction(it))throw TypeError(it + ' is not a function!');

+  return it;

+};

+assert.obj = function(it){

+  if(!$.isObject(it))throw TypeError(it + ' is not an object!');

+  return it;

+};

+assert.inst = function(it, Constructor, name){

+  if(!(it instanceof Constructor))throw TypeError(name + ": use the 'new' operator!");

+  return it;

+};

+module.exports = assert;
+},{"./$":16}],6:[function(require,module,exports){
+var $ = require('./$');

+// 19.1.2.1 Object.assign(target, source, ...)

+module.exports = Object.assign || function(target, source){ // eslint-disable-line no-unused-vars

+  var T = Object($.assertDefined(target))

+    , l = arguments.length

+    , i = 1;

+  while(l > i){

+    var S      = $.ES5Object(arguments[i++])

+      , keys   = $.getKeys(S)

+      , length = keys.length

+      , j      = 0

+      , key;

+    while(length > j)T[key = keys[j++]] = S[key];

+  }

+  return T;

+};
+},{"./$":16}],7:[function(require,module,exports){
+var $        = require('./$')

+  , TAG      = require('./$.wks')('toStringTag')

+  , toString = {}.toString;

+function cof(it){

+  return toString.call(it).slice(8, -1);

+}

+cof.classof = function(it){

+  var O, T;

+  return it == undefined ? it === undefined ? 'Undefined' : 'Null'

+    : typeof (T = (O = Object(it))[TAG]) == 'string' ? T : cof(O);

+};

+cof.set = function(it, tag, stat){

+  if(it && !$.has(it = stat ? it : it.prototype, TAG))$.hide(it, TAG, tag);

+};

+module.exports = cof;
+},{"./$":16,"./$.wks":26}],8:[function(require,module,exports){
+'use strict';

+var $        = require('./$')

+  , ctx      = require('./$.ctx')

+  , safe     = require('./$.uid').safe

+  , assert   = require('./$.assert')

+  , $iter    = require('./$.iter')

+  , has      = $.has

+  , set      = $.set

+  , isObject = $.isObject

+  , hide     = $.hide

+  , step     = $iter.step

+  , isFrozen = Object.isFrozen || $.core.Object.isFrozen

+  , ID       = safe('id')

+  , O1       = safe('O1')

+  , LAST     = safe('last')

+  , FIRST    = safe('first')

+  , ITER     = safe('iter')

+  , SIZE     = $.DESC ? safe('size') : 'size'

+  , id       = 0;

+

+function fastKey(it, create){

+  // return primitive with prefix

+  if(!isObject(it))return (typeof it == 'string' ? 'S' : 'P') + it;

+  // can't set id to frozen object

+  if(isFrozen(it))return 'F';

+  if(!has(it, ID)){

+    // not necessary to add id

+    if(!create)return 'E';

+    // add missing object id

+    hide(it, ID, ++id);

+  // return object id with prefix

+  } return 'O' + it[ID];

+}

+

+function getEntry(that, key){

+  // fast case

+  var index = fastKey(key), entry;

+  if(index != 'F')return that[O1][index];

+  // frozen object case

+  for(entry = that[FIRST]; entry; entry = entry.n){

+    if(entry.k == key)return entry;

+  }

+}

+

+module.exports = {

+  getConstructor: function(NAME, IS_MAP, ADDER){

+    function C(iterable){

+      var that = assert.inst(this, C, NAME);

+      set(that, O1, $.create(null));

+      set(that, SIZE, 0);

+      set(that, LAST, undefined);

+      set(that, FIRST, undefined);

+      if(iterable != undefined)$iter.forOf(iterable, IS_MAP, that[ADDER], that);

+    }

+    $.mix(C.prototype, {

+      // 23.1.3.1 Map.prototype.clear()

+      // 23.2.3.2 Set.prototype.clear()

+      clear: function(){

+        for(var that = this, data = that[O1], entry = that[FIRST]; entry; entry = entry.n){

+          entry.r = true;

+          if(entry.p)entry.p = entry.p.n = undefined;

+          delete data[entry.i];

+        }

+        that[FIRST] = that[LAST] = undefined;

+        that[SIZE] = 0;

+      },

+      // 23.1.3.3 Map.prototype.delete(key)

+      // 23.2.3.4 Set.prototype.delete(value)

+      'delete': function(key){

+        var that  = this

+          , entry = getEntry(that, key);

+        if(entry){

+          var next = entry.n

+            , prev = entry.p;

+          delete that[O1][entry.i];

+          entry.r = true;

+          if(prev)prev.n = next;

+          if(next)next.p = prev;

+          if(that[FIRST] == entry)that[FIRST] = next;

+          if(that[LAST] == entry)that[LAST] = prev;

+          that[SIZE]--;

+        } return !!entry;

+      },

+      // 23.2.3.6 Set.prototype.forEach(callbackfn, thisArg = undefined)

+      // 23.1.3.5 Map.prototype.forEach(callbackfn, thisArg = undefined)

+      forEach: function(callbackfn /*, that = undefined */){

+        var f = ctx(callbackfn, arguments[1], 3)

+          , entry;

+        while(entry = entry ? entry.n : this[FIRST]){

+          f(entry.v, entry.k, this);

+          // revert to the last existing entry

+          while(entry && entry.r)entry = entry.p;

+        }

+      },

+      // 23.1.3.7 Map.prototype.has(key)

+      // 23.2.3.7 Set.prototype.has(value)

+      has: function(key){

+        return !!getEntry(this, key);

+      }

+    });

+    if($.DESC)$.setDesc(C.prototype, 'size', {

+      get: function(){

+        return assert.def(this[SIZE]);

+      }

+    });

+    return C;

+  },

+  def: function(that, key, value){

+    var entry = getEntry(that, key)

+      , prev, index;

+    // change existing entry

+    if(entry){

+      entry.v = value;

+    // create new entry

+    } else {

+      that[LAST] = entry = {

+        i: index = fastKey(key, true), // <- index

+        k: key,                        // <- key

+        v: value,                      // <- value

+        p: prev = that[LAST],          // <- previous entry

+        n: undefined,                  // <- next entry

+        r: false                       // <- removed

+      };

+      if(!that[FIRST])that[FIRST] = entry;

+      if(prev)prev.n = entry;

+      that[SIZE]++;

+      // add to index

+      if(index != 'F')that[O1][index] = entry;

+    } return that;

+  },

+  getEntry: getEntry,

+  getIterConstructor: function(){

+    return function(iterated, kind){

+      set(this, ITER, {o: iterated, k: kind});

+    };

+  },

+  next: function(){

+    var iter  = this[ITER]

+      , kind  = iter.k

+      , entry = iter.l;

+    // revert to the last existing entry

+    while(entry && entry.r)entry = entry.p;

+    // get next entry

+    if(!iter.o || !(iter.l = entry = entry ? entry.n : iter.o[FIRST])){

+      // or finish the iteration

+      iter.o = undefined;

+      return step(1);

+    }

+    // return step by kind

+    if(kind == 'key'  )return step(0, entry.k);

+    if(kind == 'value')return step(0, entry.v);

+    return step(0, [entry.k, entry.v]);

+  }

+};
+},{"./$":16,"./$.assert":5,"./$.ctx":11,"./$.iter":15,"./$.uid":24}],9:[function(require,module,exports){
+'use strict';

+var $         = require('./$')

+  , safe      = require('./$.uid').safe

+  , assert    = require('./$.assert')

+  , forOf     = require('./$.iter').forOf

+  , has       = $.has

+  , isObject  = $.isObject

+  , hide      = $.hide

+  , isFrozen  = Object.isFrozen || $.core.Object.isFrozen

+  , id        = 0

+  , ID        = safe('id')

+  , WEAK      = safe('weak')

+  , LEAK      = safe('leak')

+  , method    = require('./$.array-methods')

+  , find      = method(5)

+  , findIndex = method(6);

+function findFrozen(store, key){

+  return find.call(store.array, function(it){

+    return it[0] === key;

+  });

+}

+// fallback for frozen keys

+function leakStore(that){

+  return that[LEAK] || hide(that, LEAK, {

+    array: [],

+    get: function(key){

+      var entry = findFrozen(this, key);

+      if(entry)return entry[1];

+    },

+    has: function(key){

+      return !!findFrozen(this, key);

+    },

+    set: function(key, value){

+      var entry = findFrozen(this, key);

+      if(entry)entry[1] = value;

+      else this.array.push([key, value]);

+    },

+    'delete': function(key){

+      var index = findIndex.call(this.array, function(it){

+        return it[0] === key;

+      });

+      if(~index)this.array.splice(index, 1);

+      return !!~index;

+    }

+  })[LEAK];

+}

+

+module.exports = {

+  getConstructor: function(NAME, IS_MAP, ADDER){

+    function C(iterable){

+      $.set(assert.inst(this, C, NAME), ID, id++);

+      if(iterable != undefined)forOf(iterable, IS_MAP, this[ADDER], this);

+    }

+    $.mix(C.prototype, {

+      // 23.3.3.2 WeakMap.prototype.delete(key)

+      // 23.4.3.3 WeakSet.prototype.delete(value)

+      'delete': function(key){

+        if(!isObject(key))return false;

+        if(isFrozen(key))return leakStore(this)['delete'](key);

+        return has(key, WEAK) && has(key[WEAK], this[ID]) && delete key[WEAK][this[ID]];

+      },

+      // 23.3.3.4 WeakMap.prototype.has(key)

+      // 23.4.3.4 WeakSet.prototype.has(value)

+      has: function(key){

+        if(!isObject(key))return false;

+        if(isFrozen(key))return leakStore(this).has(key);

+        return has(key, WEAK) && has(key[WEAK], this[ID]);

+      }

+    });

+    return C;

+  },

+  def: function(that, key, value){

+    if(isFrozen(assert.obj(key))){

+      leakStore(that).set(key, value);

+    } else {

+      has(key, WEAK) || hide(key, WEAK, {});

+      key[WEAK][that[ID]] = value;

+    } return that;

+  },

+  leakStore: leakStore,

+  WEAK: WEAK,

+  ID: ID

+};
+},{"./$":16,"./$.array-methods":4,"./$.assert":5,"./$.iter":15,"./$.uid":24}],10:[function(require,module,exports){
+'use strict';

+var $     = require('./$')

+  , $def  = require('./$.def')

+  , $iter = require('./$.iter')

+  , assertInstance = require('./$.assert').inst;

+

+module.exports = function(NAME, methods, common, IS_MAP, isWeak){

+  var Base  = $.g[NAME]

+    , C     = Base

+    , ADDER = IS_MAP ? 'set' : 'add'

+    , proto = C && C.prototype

+    , O     = {};

+  function fixMethod(KEY, CHAIN){

+    var method = proto[KEY];

+    if($.FW)proto[KEY] = function(a, b){

+      var result = method.call(this, a === 0 ? 0 : a, b);

+      return CHAIN ? this : result;

+    };

+  }

+  if(!$.isFunction(C) || !(isWeak || !$iter.BUGGY && proto.forEach && proto.entries)){

+    // create collection constructor

+    C = common.getConstructor(NAME, IS_MAP, ADDER);

+    $.mix(C.prototype, methods);

+  } else {

+    var inst  = new C

+      , chain = inst[ADDER](isWeak ? {} : -0, 1)

+      , buggyZero;

+    // wrap for init collections from iterable

+    if($iter.fail(function(iter){

+      new C(iter); // eslint-disable-line no-new

+    }) || $iter.DANGER_CLOSING){

+      C = function(iterable){

+        assertInstance(this, C, NAME);

+        var that = new Base;

+        if(iterable != undefined)$iter.forOf(iterable, IS_MAP, that[ADDER], that);

+        return that;

+      };

+      C.prototype = proto;

+      if($.FW)proto.constructor = C;

+    }

+    isWeak || inst.forEach(function(val, key){

+      buggyZero = 1 / key === -Infinity;

+    });

+    // fix converting -0 key to +0

+    if(buggyZero){

+      fixMethod('delete');

+      fixMethod('has');

+      IS_MAP && fixMethod('get');

+    }

+    // + fix .add & .set for chaining

+    if(buggyZero || chain !== inst)fixMethod(ADDER, true);

+  }

+

+  require('./$.cof').set(C, NAME);

+  require('./$.species')(C);

+

+  O[NAME] = C;

+  $def($def.G + $def.W + $def.F * (C != Base), O);

+

+  // add .keys, .values, .entries, [@@iterator]

+  // 23.1.3.4, 23.1.3.8, 23.1.3.11, 23.1.3.12, 23.2.3.5, 23.2.3.8, 23.2.3.10, 23.2.3.11

+  if(!isWeak)$iter.std(

+    C, NAME,

+    common.getIterConstructor(), common.next,

+    IS_MAP ? 'key+value' : 'value' , !IS_MAP, true

+  );

+

+  return C;

+};
+},{"./$":16,"./$.assert":5,"./$.cof":7,"./$.def":12,"./$.iter":15,"./$.species":21}],11:[function(require,module,exports){
+// Optional / simple context binding

+var assertFunction = require('./$.assert').fn;

+module.exports = function(fn, that, length){

+  assertFunction(fn);

+  if(~length && that === undefined)return fn;

+  switch(length){

+    case 1: return function(a){

+      return fn.call(that, a);

+    };

+    case 2: return function(a, b){

+      return fn.call(that, a, b);

+    };

+    case 3: return function(a, b, c){

+      return fn.call(that, a, b, c);

+    };

+  } return function(/* ...args */){

+      return fn.apply(that, arguments);

+    };

+};
+},{"./$.assert":5}],12:[function(require,module,exports){
+var $          = require('./$')

+  , global     = $.g

+  , core       = $.core

+  , isFunction = $.isFunction;

+function ctx(fn, that){

+  return function(){

+    return fn.apply(that, arguments);

+  };

+}

+global.core = core;

+// type bitmap

+$def.F = 1;  // forced

+$def.G = 2;  // global

+$def.S = 4;  // static

+$def.P = 8;  // proto

+$def.B = 16; // bind

+$def.W = 32; // wrap

+function $def(type, name, source){

+  var key, own, out, exp

+    , isGlobal = type & $def.G

+    , target   = isGlobal ? global : type & $def.S

+        ? global[name] : (global[name] || {}).prototype

+    , exports  = isGlobal ? core : core[name] || (core[name] = {});

+  if(isGlobal)source = name;

+  for(key in source){

+    // contains in native

+    own = !(type & $def.F) && target && key in target;

+    // export native or passed

+    out = (own ? target : source)[key];

+    // bind timers to global for call from export context

+    if(type & $def.B && own)exp = ctx(out, global);

+    else exp = type & $def.P && isFunction(out) ? ctx(Function.call, out) : out;

+    // extend global

+    if(target && !own){

+      if(isGlobal)target[key] = out;

+      else delete target[key] && $.hide(target, key, out);

+    }

+    // export

+    if(exports[key] != out)$.hide(exports, key, exp);

+  }

+}

+module.exports = $def;
+},{"./$":16}],13:[function(require,module,exports){
+module.exports = function($){

+  $.FW   = true;

+  $.path = $.g;

+  return $;

+};
+},{}],14:[function(require,module,exports){
+// Fast apply

+// http://jsperf.lnkit.com/fast-apply/5

+module.exports = function(fn, args, that){

+  var un = that === undefined;

+  switch(args.length){

+    case 0: return un ? fn()

+                      : fn.call(that);

+    case 1: return un ? fn(args[0])

+                      : fn.call(that, args[0]);

+    case 2: return un ? fn(args[0], args[1])

+                      : fn.call(that, args[0], args[1]);

+    case 3: return un ? fn(args[0], args[1], args[2])

+                      : fn.call(that, args[0], args[1], args[2]);

+    case 4: return un ? fn(args[0], args[1], args[2], args[3])

+                      : fn.call(that, args[0], args[1], args[2], args[3]);

+    case 5: return un ? fn(args[0], args[1], args[2], args[3], args[4])

+                      : fn.call(that, args[0], args[1], args[2], args[3], args[4]);

+  } return              fn.apply(that, args);

+};
+},{}],15:[function(require,module,exports){
+'use strict';

+var $                 = require('./$')

+  , ctx               = require('./$.ctx')

+  , cof               = require('./$.cof')

+  , $def              = require('./$.def')

+  , assertObject      = require('./$.assert').obj

+  , SYMBOL_ITERATOR   = require('./$.wks')('iterator')

+  , FF_ITERATOR       = '@@iterator'

+  , Iterators         = {}

+  , IteratorPrototype = {};

+// Safari has byggy iterators w/o `next`

+var BUGGY = 'keys' in [] && !('next' in [].keys());

+// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()

+setIterator(IteratorPrototype, $.that);

+function setIterator(O, value){

+  $.hide(O, SYMBOL_ITERATOR, value);

+  // Add iterator for FF iterator protocol

+  if(FF_ITERATOR in [])$.hide(O, FF_ITERATOR, value);

+}

+function defineIterator(Constructor, NAME, value, DEFAULT){

+  var proto = Constructor.prototype

+    , iter  = proto[SYMBOL_ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT] || value;

+  // Define iterator

+  if($.FW)setIterator(proto, iter);

+  if(iter !== value){

+    var iterProto = $.getProto(iter.call(new Constructor));

+    // Set @@toStringTag to native iterators

+    cof.set(iterProto, NAME + ' Iterator', true);

+    // FF fix

+    if($.FW)$.has(proto, FF_ITERATOR) && setIterator(iterProto, $.that);

+  }

+  // Plug for library

+  Iterators[NAME] = iter;

+  // FF & v8 fix

+  Iterators[NAME + ' Iterator'] = $.that;

+  return iter;

+}

+function getIterator(it){

+  var Symbol  = $.g.Symbol

+    , ext     = it[Symbol && Symbol.iterator || FF_ITERATOR]

+    , getIter = ext || it[SYMBOL_ITERATOR] || Iterators[cof.classof(it)];

+  return assertObject(getIter.call(it));

+}

+function closeIterator(iterator){

+  var ret = iterator['return'];

+  if(ret !== undefined)assertObject(ret.call(iterator));

+}

+function stepCall(iterator, fn, value, entries){

+  try {

+    return entries ? fn(assertObject(value)[0], value[1]) : fn(value);

+  } catch(e){

+    closeIterator(iterator);

+    throw e;

+  }

+}

+var DANGER_CLOSING = true;

+!function(){

+  try {

+    var iter = [1].keys();

+    iter['return'] = function(){ DANGER_CLOSING = false; };

+    Array.from(iter, function(){ throw 2; });

+  } catch(e){ /* empty */ }

+}();

+var $iter = module.exports = {

+  BUGGY: BUGGY,

+  DANGER_CLOSING: DANGER_CLOSING,

+  fail: function(exec){

+    var fail = true;

+    try {

+      var arr  = [[{}, 1]]

+        , iter = arr[SYMBOL_ITERATOR]()

+        , next = iter.next;

+      iter.next = function(){

+        fail = false;

+        return next.call(this);

+      };

+      arr[SYMBOL_ITERATOR] = function(){

+        return iter;

+      };

+      exec(arr);

+    } catch(e){ /* empty */ }

+    return fail;

+  },

+  Iterators: Iterators,

+  prototype: IteratorPrototype,

+  step: function(done, value){

+    return {value: value, done: !!done};

+  },

+  stepCall: stepCall,

+  close: closeIterator,

+  is: function(it){

+    var O      = Object(it)

+      , Symbol = $.g.Symbol

+      , SYM    = Symbol && Symbol.iterator || FF_ITERATOR;

+    return SYM in O || SYMBOL_ITERATOR in O || $.has(Iterators, cof.classof(O));

+  },

+  get: getIterator,

+  set: setIterator,

+  create: function(Constructor, NAME, next, proto){

+    Constructor.prototype = $.create(proto || $iter.prototype, {next: $.desc(1, next)});

+    cof.set(Constructor, NAME + ' Iterator');

+  },

+  define: defineIterator,

+  std: function(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCE){

+    function createIter(kind){

+      return function(){

+        return new Constructor(this, kind);

+      };

+    }

+    $iter.create(Constructor, NAME, next);

+    var entries = createIter('key+value')

+      , values  = createIter('value')

+      , proto   = Base.prototype

+      , methods, key;

+    if(DEFAULT == 'value')values = defineIterator(Base, NAME, values, 'values');

+    else entries = defineIterator(Base, NAME, entries, 'entries');

+    if(DEFAULT){

+      methods = {

+        entries: entries,

+        keys:    IS_SET ? values : createIter('key'),

+        values:  values

+      };

+      $def($def.P + $def.F * BUGGY, NAME, methods);

+      if(FORCE)for(key in methods){

+        if(!(key in proto))$.hide(proto, key, methods[key]);

+      }

+    }

+  },

+  forOf: function(iterable, entries, fn, that){

+    var iterator = getIterator(iterable)

+      , f = ctx(fn, that, entries ? 2 : 1)

+      , step;

+    while(!(step = iterator.next()).done){

+      if(stepCall(iterator, f, step.value, entries) === false){

+        return closeIterator(iterator);

+      }

+    }

+  }

+};
+},{"./$":16,"./$.assert":5,"./$.cof":7,"./$.ctx":11,"./$.def":12,"./$.wks":26}],16:[function(require,module,exports){
+'use strict';

+var global = typeof self != 'undefined' ? self : Function('return this')()

+  , core   = {}

+  , defineProperty = Object.defineProperty

+  , hasOwnProperty = {}.hasOwnProperty

+  , ceil  = Math.ceil

+  , floor = Math.floor

+  , max   = Math.max

+  , min   = Math.min;

+// The engine works fine with descriptors? Thank's IE8 for his funny defineProperty.

+var DESC = !!function(){

+  try {

+    return defineProperty({}, 'a', {get: function(){ return 2; }}).a == 2;

+  } catch(e){ /* empty */ }

+}();

+var hide = createDefiner(1);

+// 7.1.4 ToInteger

+function toInteger(it){

+  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);

+}

+function desc(bitmap, value){

+  return {

+    enumerable  : !(bitmap & 1),

+    configurable: !(bitmap & 2),

+    writable    : !(bitmap & 4),

+    value       : value

+  };

+}

+function simpleSet(object, key, value){

+  object[key] = value;

+  return object;

+}

+function createDefiner(bitmap){

+  return DESC ? function(object, key, value){

+    return $.setDesc(object, key, desc(bitmap, value)); // eslint-disable-line no-use-before-define

+  } : simpleSet;

+}

+

+function isObject(it){

+  return it !== null && (typeof it == 'object' || typeof it == 'function');

+}

+function isFunction(it){

+  return typeof it == 'function';

+}

+function assertDefined(it){

+  if(it == undefined)throw TypeError("Can't call method on  " + it);

+  return it;

+}

+

+var $ = module.exports = require('./$.fw')({

+  g: global,

+  core: core,

+  html: global.document && document.documentElement,

+  // http://jsperf.com/core-js-isobject

+  isObject:   isObject,

+  isFunction: isFunction,

+  it: function(it){

+    return it;

+  },

+  that: function(){

+    return this;

+  },

+  // 7.1.4 ToInteger

+  toInteger: toInteger,

+  // 7.1.15 ToLength

+  toLength: function(it){

+    return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991

+  },

+  toIndex: function(index, length){

+    index = toInteger(index);

+    return index < 0 ? max(index + length, 0) : min(index, length);

+  },

+  has: function(it, key){

+    return hasOwnProperty.call(it, key);

+  },

+  create:     Object.create,

+  getProto:   Object.getPrototypeOf,

+  DESC:       DESC,

+  desc:       desc,

+  getDesc:    Object.getOwnPropertyDescriptor,

+  setDesc:    defineProperty,

+  getKeys:    Object.keys,

+  getNames:   Object.getOwnPropertyNames,

+  getSymbols: Object.getOwnPropertySymbols,

+  // Dummy, fix for not array-like ES3 string in es5 module

+  assertDefined: assertDefined,

+  ES5Object: Object,

+  toObject: function(it){

+    return $.ES5Object(assertDefined(it));

+  },

+  hide: hide,

+  def: createDefiner(0),

+  set: global.Symbol ? simpleSet : hide,

+  mix: function(target, src){

+    for(var key in src)hide(target, key, src[key]);

+    return target;

+  },

+  each: [].forEach

+});

+if(typeof __e != 'undefined')__e = core;

+if(typeof __g != 'undefined')__g = global;
+},{"./$.fw":13}],17:[function(require,module,exports){
+var $ = require('./$');

+module.exports = function(object, el){

+  var O      = $.toObject(object)

+    , keys   = $.getKeys(O)

+    , length = keys.length

+    , index  = 0

+    , key;

+  while(length > index)if(O[key = keys[index++]] === el)return key;

+};
+},{"./$":16}],18:[function(require,module,exports){
+var $            = require('./$')

+  , assertObject = require('./$.assert').obj;

+module.exports = function(it){

+  assertObject(it);

+  return $.getSymbols ? $.getNames(it).concat($.getSymbols(it)) : $.getNames(it);

+};
+},{"./$":16,"./$.assert":5}],19:[function(require,module,exports){
+'use strict';

+module.exports = function(regExp, replace, isStatic){

+  var replacer = replace === Object(replace) ? function(part){

+    return replace[part];

+  } : replace;

+  return function(it){

+    return String(isStatic ? it : this).replace(regExp, replacer);

+  };

+};
+},{}],20:[function(require,module,exports){
+// Works with __proto__ only. Old v8 can't works with null proto objects.

+/*eslint-disable no-proto */

+var $      = require('./$')

+  , assert = require('./$.assert');

+module.exports = Object.setPrototypeOf || ('__proto__' in {} // eslint-disable-line

+  ? function(buggy, set){

+      try {

+        set = require('./$.ctx')(Function.call, $.getDesc(Object.prototype, '__proto__').set, 2);

+        set({}, []);

+      } catch(e){ buggy = true; }

+      return function(O, proto){

+        assert.obj(O);

+        assert(proto === null || $.isObject(proto), proto, ": can't set as prototype!");

+        if(buggy)O.__proto__ = proto;

+        else set(O, proto);

+        return O;

+      };

+    }()

+  : undefined);
+},{"./$":16,"./$.assert":5,"./$.ctx":11}],21:[function(require,module,exports){
+var $ = require('./$');

+module.exports = function(C){

+  if($.DESC && $.FW)$.setDesc(C, require('./$.wks')('species'), {

+    configurable: true,

+    get: $.that

+  });

+};
+},{"./$":16,"./$.wks":26}],22:[function(require,module,exports){
+'use strict';

+// true  -> String#at

+// false -> String#codePointAt

+var $ = require('./$');

+module.exports = function(TO_STRING){

+  return function(pos){

+    var s = String($.assertDefined(this))

+      , i = $.toInteger(pos)

+      , l = s.length

+      , a, b;

+    if(i < 0 || i >= l)return TO_STRING ? '' : undefined;

+    a = s.charCodeAt(i);

+    return a < 0xd800 || a > 0xdbff || i + 1 === l

+      || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff

+        ? TO_STRING ? s.charAt(i) : a

+        : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;

+  };

+};
+},{"./$":16}],23:[function(require,module,exports){
+'use strict';

+var $      = require('./$')

+  , ctx    = require('./$.ctx')

+  , cof    = require('./$.cof')

+  , invoke = require('./$.invoke')

+  , global             = $.g

+  , isFunction         = $.isFunction

+  , setTask            = global.setImmediate

+  , clearTask          = global.clearImmediate

+  , postMessage        = global.postMessage

+  , addEventListener   = global.addEventListener

+  , MessageChannel     = global.MessageChannel

+  , counter            = 0

+  , queue              = {}

+  , ONREADYSTATECHANGE = 'onreadystatechange'

+  , defer, channel, port;

+function run(){

+  var id = +this;

+  if($.has(queue, id)){

+    var fn = queue[id];

+    delete queue[id];

+    fn();

+  }

+}

+function listner(event){

+  run.call(event.data);

+}

+// Node.js 0.9+ & IE10+ has setImmediate, otherwise:

+if(!isFunction(setTask) || !isFunction(clearTask)){

+  setTask = function(fn){

+    var args = [], i = 1;

+    while(arguments.length > i)args.push(arguments[i++]);

+    queue[++counter] = function(){

+      invoke(isFunction(fn) ? fn : Function(fn), args);

+    };

+    defer(counter);

+    return counter;

+  };

+  clearTask = function(id){

+    delete queue[id];

+  };

+  // Node.js 0.8-

+  if(cof(global.process) == 'process'){

+    defer = function(id){

+      global.process.nextTick(ctx(run, id, 1));

+    };

+  // Modern browsers, skip implementation for WebWorkers

+  // IE8 has postMessage, but it's sync & typeof its postMessage is object

+  } else if(addEventListener && isFunction(postMessage) && !$.g.importScripts){

+    defer = function(id){

+      postMessage(id, '*');

+    };

+    addEventListener('message', listner, false);

+  // WebWorkers

+  } else if(isFunction(MessageChannel)){

+    channel = new MessageChannel;

+    port    = channel.port2;

+    channel.port1.onmessage = listner;

+    defer = ctx(port.postMessage, port, 1);

+  // IE8-

+  } else if($.g.document && ONREADYSTATECHANGE in document.createElement('script')){

+    defer = function(id){

+      $.html.appendChild(document.createElement('script'))[ONREADYSTATECHANGE] = function(){

+        $.html.removeChild(this);

+        run.call(id);

+      };

+    };

+  // Rest old browsers

+  } else {

+    defer = function(id){

+      setTimeout(ctx(run, id, 1), 0);

+    };

+  }

+}

+module.exports = {

+  set:   setTask,

+  clear: clearTask

+};
+},{"./$":16,"./$.cof":7,"./$.ctx":11,"./$.invoke":14}],24:[function(require,module,exports){
+var sid = 0;

+function uid(key){

+  return 'Symbol(' + key + ')_' + (++sid + Math.random()).toString(36);

+}

+uid.safe = require('./$').g.Symbol || uid;

+module.exports = uid;
+},{"./$":16}],25:[function(require,module,exports){
+// 22.1.3.31 Array.prototype[@@unscopables]

+var $           = require('./$')

+  , UNSCOPABLES = require('./$.wks')('unscopables');

+if($.FW && !(UNSCOPABLES in []))$.hide(Array.prototype, UNSCOPABLES, {});

+module.exports = function(key){

+  if($.FW)[][UNSCOPABLES][key] = true;

+};
+},{"./$":16,"./$.wks":26}],26:[function(require,module,exports){
+var global = require('./$').g

+  , store  = {};

+module.exports = function(name){

+  return store[name] || (store[name] =

+    global.Symbol && global.Symbol[name] || require('./$.uid').safe('Symbol.' + name));

+};
+},{"./$":16,"./$.uid":24}],27:[function(require,module,exports){
+'use strict';

+var $       = require('./$')

+  , $def    = require('./$.def')

+  , toIndex = $.toIndex;

+$def($def.P, 'Array', {

+  // 22.1.3.3 Array.prototype.copyWithin(target, start, end = this.length)

+  copyWithin: function(target/* = 0 */, start /* = 0, end = @length */){

+    var O     = Object($.assertDefined(this))

+      , len   = $.toLength(O.length)

+      , to    = toIndex(target, len)

+      , from  = toIndex(start, len)

+      , end   = arguments[2]

+      , fin   = end === undefined ? len : toIndex(end, len)

+      , count = Math.min(fin - from, len - to)

+      , inc   = 1;

+    if(from < to && to < from + count){

+      inc  = -1;

+      from = from + count - 1;

+      to   = to   + count - 1;

+    }

+    while(count-- > 0){

+      if(from in O)O[to] = O[from];

+      else delete O[to];

+      to   += inc;

+      from += inc;

+    } return O;

+  }

+});

+require('./$.unscope')('copyWithin');
+},{"./$":16,"./$.def":12,"./$.unscope":25}],28:[function(require,module,exports){
+'use strict';

+var $       = require('./$')

+  , $def    = require('./$.def')

+  , toIndex = $.toIndex;

+$def($def.P, 'Array', {

+  // 22.1.3.6 Array.prototype.fill(value, start = 0, end = this.length)

+  fill: function(value /*, start = 0, end = @length */){

+    var O      = Object($.assertDefined(this))

+      , length = $.toLength(O.length)

+      , index  = toIndex(arguments[1], length)

+      , end    = arguments[2]

+      , endPos = end === undefined ? length : toIndex(end, length);

+    while(endPos > index)O[index++] = value;

+    return O;

+  }

+});

+require('./$.unscope')('fill');
+},{"./$":16,"./$.def":12,"./$.unscope":25}],29:[function(require,module,exports){
+var $def = require('./$.def');

+$def($def.P, 'Array', {

+  // 22.1.3.9 Array.prototype.findIndex(predicate, thisArg = undefined)

+  findIndex: require('./$.array-methods')(6)

+});

+require('./$.unscope')('findIndex');
+},{"./$.array-methods":4,"./$.def":12,"./$.unscope":25}],30:[function(require,module,exports){
+var $def = require('./$.def');

+$def($def.P, 'Array', {

+  // 22.1.3.8 Array.prototype.find(predicate, thisArg = undefined)

+  find: require('./$.array-methods')(5)

+});

+require('./$.unscope')('find');
+},{"./$.array-methods":4,"./$.def":12,"./$.unscope":25}],31:[function(require,module,exports){
+var $     = require('./$')

+  , ctx   = require('./$.ctx')

+  , $def  = require('./$.def')

+  , $iter = require('./$.iter')

+  , stepCall = $iter.stepCall;

+$def($def.S + $def.F * $iter.DANGER_CLOSING, 'Array', {

+  // 22.1.2.1 Array.from(arrayLike, mapfn = undefined, thisArg = undefined)

+  from: function(arrayLike/*, mapfn = undefined, thisArg = undefined*/){

+    var O       = Object($.assertDefined(arrayLike))

+      , mapfn   = arguments[1]

+      , mapping = mapfn !== undefined

+      , f       = mapping ? ctx(mapfn, arguments[2], 2) : undefined

+      , index   = 0

+      , length, result, step, iterator;

+    if($iter.is(O)){

+      iterator = $iter.get(O);

+      // strange IE quirks mode bug -> use typeof instead of isFunction

+      result   = new (typeof this == 'function' ? this : Array);

+      for(; !(step = iterator.next()).done; index++){

+        result[index] = mapping ? stepCall(iterator, f, [step.value, index], true) : step.value;

+      }

+    } else {

+      // strange IE quirks mode bug -> use typeof instead of isFunction

+      result = new (typeof this == 'function' ? this : Array)(length = $.toLength(O.length));

+      for(; length > index; index++){

+        result[index] = mapping ? f(O[index], index) : O[index];

+      }

+    }

+    result.length = index;

+    return result;

+  }

+});
+},{"./$":16,"./$.ctx":11,"./$.def":12,"./$.iter":15}],32:[function(require,module,exports){
+var $          = require('./$')

+  , setUnscope = require('./$.unscope')

+  , ITER       = require('./$.uid').safe('iter')

+  , $iter      = require('./$.iter')

+  , step       = $iter.step

+  , Iterators  = $iter.Iterators;

+

+// 22.1.3.4 Array.prototype.entries()

+// 22.1.3.13 Array.prototype.keys()

+// 22.1.3.29 Array.prototype.values()

+// 22.1.3.30 Array.prototype[@@iterator]()

+$iter.std(Array, 'Array', function(iterated, kind){

+  $.set(this, ITER, {o: $.toObject(iterated), i: 0, k: kind});

+// 22.1.5.2.1 %ArrayIteratorPrototype%.next()

+}, function(){

+  var iter  = this[ITER]

+    , O     = iter.o

+    , kind  = iter.k

+    , index = iter.i++;

+  if(!O || index >= O.length){

+    iter.o = undefined;

+    return step(1);

+  }

+  if(kind == 'key'  )return step(0, index);

+  if(kind == 'value')return step(0, O[index]);

+  return step(0, [index, O[index]]);

+}, 'value');

+

+// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)

+Iterators.Arguments = Iterators.Array;

+

+setUnscope('keys');

+setUnscope('values');

+setUnscope('entries');
+},{"./$":16,"./$.iter":15,"./$.uid":24,"./$.unscope":25}],33:[function(require,module,exports){
+var $def = require('./$.def');

+$def($def.S, 'Array', {

+  // 22.1.2.3 Array.of( ...items)

+  of: function(/* ...args */){

+    var index  = 0

+      , length = arguments.length

+      // strange IE quirks mode bug -> use typeof instead of isFunction

+      , result = new (typeof this == 'function' ? this : Array)(length);

+    while(length > index)result[index] = arguments[index++];

+    result.length = length;

+    return result;

+  }

+});
+},{"./$.def":12}],34:[function(require,module,exports){
+require('./$.species')(Array);
+},{"./$.species":21}],35:[function(require,module,exports){
+'use strict';

+var $    = require('./$')

+  , NAME = 'name'

+  , setDesc = $.setDesc

+  , FunctionProto = Function.prototype;

+// 19.2.4.2 name

+NAME in FunctionProto || $.FW && $.DESC && setDesc(FunctionProto, NAME, {

+  configurable: true,

+  get: function(){

+    var match = String(this).match(/^\s*function ([^ (]*)/)

+      , name  = match ? match[1] : '';

+    $.has(this, NAME) || setDesc(this, NAME, $.desc(5, name));

+    return name;

+  },

+  set: function(value){

+    $.has(this, NAME) || setDesc(this, NAME, $.desc(0, value));

+  }

+});
+},{"./$":16}],36:[function(require,module,exports){
+'use strict';

+var strong = require('./$.collection-strong');

+

+// 23.1 Map Objects

+require('./$.collection')('Map', {

+  // 23.1.3.6 Map.prototype.get(key)

+  get: function(key){

+    var entry = strong.getEntry(this, key);

+    return entry && entry.v;

+  },

+  // 23.1.3.9 Map.prototype.set(key, value)

+  set: function(key, value){

+    return strong.def(this, key === 0 ? 0 : key, value);

+  }

+}, strong, true);
+},{"./$.collection":10,"./$.collection-strong":8}],37:[function(require,module,exports){
+var Infinity = 1 / 0

+  , $def  = require('./$.def')

+  , E     = Math.E

+  , pow   = Math.pow

+  , abs   = Math.abs

+  , exp   = Math.exp

+  , log   = Math.log

+  , sqrt  = Math.sqrt

+  , ceil  = Math.ceil

+  , floor = Math.floor

+  , sign  = Math.sign || function(x){

+      return (x = +x) == 0 || x != x ? x : x < 0 ? -1 : 1;

+    };

+

+// 20.2.2.5 Math.asinh(x)

+function asinh(x){

+  return !isFinite(x = +x) || x == 0 ? x : x < 0 ? -asinh(-x) : log(x + sqrt(x * x + 1));

+}

+// 20.2.2.14 Math.expm1(x)

+function expm1(x){

+  return (x = +x) == 0 ? x : x > -1e-6 && x < 1e-6 ? x + x * x / 2 : exp(x) - 1;

+}

+

+$def($def.S, 'Math', {

+  // 20.2.2.3 Math.acosh(x)

+  acosh: function(x){

+    return (x = +x) < 1 ? NaN : isFinite(x) ? log(x / E + sqrt(x + 1) * sqrt(x - 1) / E) + 1 : x;

+  },

+  // 20.2.2.5 Math.asinh(x)

+  asinh: asinh,

+  // 20.2.2.7 Math.atanh(x)

+  atanh: function(x){

+    return (x = +x) == 0 ? x : log((1 + x) / (1 - x)) / 2;

+  },

+  // 20.2.2.9 Math.cbrt(x)

+  cbrt: function(x){

+    return sign(x = +x) * pow(abs(x), 1 / 3);

+  },

+  // 20.2.2.11 Math.clz32(x)

+  clz32: function(x){

+    return (x >>>= 0) ? 32 - x.toString(2).length : 32;

+  },

+  // 20.2.2.12 Math.cosh(x)

+  cosh: function(x){

+    return (exp(x = +x) + exp(-x)) / 2;

+  },

+  // 20.2.2.14 Math.expm1(x)

+  expm1: expm1,

+  // 20.2.2.16 Math.fround(x)

+  // TODO: fallback for IE9-

+  fround: function(x){

+    return new Float32Array([x])[0];

+  },

+  // 20.2.2.17 Math.hypot([value1[, value2[, … ]]])

+  hypot: function(value1, value2){ // eslint-disable-line no-unused-vars

+    var sum  = 0

+      , len1 = arguments.length

+      , len2 = len1

+      , args = Array(len1)

+      , larg = -Infinity

+      , arg;

+    while(len1--){

+      arg = args[len1] = +arguments[len1];

+      if(arg == Infinity || arg == -Infinity)return Infinity;

+      if(arg > larg)larg = arg;

+    }

+    larg = arg || 1;

+    while(len2--)sum += pow(args[len2] / larg, 2);

+    return larg * sqrt(sum);

+  },

+  // 20.2.2.18 Math.imul(x, y)

+  imul: function(x, y){

+    var UInt16 = 0xffff

+      , xn = +x

+      , yn = +y

+      , xl = UInt16 & xn

+      , yl = UInt16 & yn;

+    return 0 | xl * yl + ((UInt16 & xn >>> 16) * yl + xl * (UInt16 & yn >>> 16) << 16 >>> 0);

+  },

+  // 20.2.2.20 Math.log1p(x)

+  log1p: function(x){

+    return (x = +x) > -1e-8 && x < 1e-8 ? x - x * x / 2 : log(1 + x);

+  },

+  // 20.2.2.21 Math.log10(x)

+  log10: function(x){

+    return log(x) / Math.LN10;

+  },

+  // 20.2.2.22 Math.log2(x)

+  log2: function(x){

+    return log(x) / Math.LN2;

+  },

+  // 20.2.2.28 Math.sign(x)

+  sign: sign,

+  // 20.2.2.30 Math.sinh(x)

+  sinh: function(x){

+    return abs(x = +x) < 1 ? (expm1(x) - expm1(-x)) / 2 : (exp(x - 1) - exp(-x - 1)) * (E / 2);

+  },

+  // 20.2.2.33 Math.tanh(x)

+  tanh: function(x){

+    var a = expm1(x = +x)

+      , b = expm1(-x);

+    return a == Infinity ? 1 : b == Infinity ? -1 : (a - b) / (exp(x) + exp(-x));

+  },

+  // 20.2.2.34 Math.trunc(x)

+  trunc: function(it){

+    return (it > 0 ? floor : ceil)(it);

+  }

+});
+},{"./$.def":12}],38:[function(require,module,exports){
+'use strict';

+var $          = require('./$')

+  , isObject   = $.isObject

+  , isFunction = $.isFunction

+  , NUMBER     = 'Number'

+  , Number     = $.g[NUMBER]

+  , Base       = Number

+  , proto      = Number.prototype;

+function toPrimitive(it){

+  var fn, val;

+  if(isFunction(fn = it.valueOf) && !isObject(val = fn.call(it)))return val;

+  if(isFunction(fn = it.toString) && !isObject(val = fn.call(it)))return val;

+  throw TypeError("Can't convert object to number");

+}

+function toNumber(it){

+  if(isObject(it))it = toPrimitive(it);

+  if(typeof it == 'string' && it.length > 2 && it.charCodeAt(0) == 48){

+    var binary = false;

+    switch(it.charCodeAt(1)){

+      case 66 : case 98  : binary = true;

+      case 79 : case 111 : return parseInt(it.slice(2), binary ? 2 : 8);

+    }

+  } return +it;

+}

+if($.FW && !(Number('0o1') && Number('0b1'))){

+  Number = function Number(it){

+    return this instanceof Number ? new Base(toNumber(it)) : toNumber(it);

+  };

+  $.each.call($.DESC ? $.getNames(Base) : (

+      // ES3:

+      'MAX_VALUE,MIN_VALUE,NaN,NEGATIVE_INFINITY,POSITIVE_INFINITY,' +

+      // ES6 (in case, if modules with ES6 Number statics required before):

+      'EPSILON,isFinite,isInteger,isNaN,isSafeInteger,MAX_SAFE_INTEGER,' +

+      'MIN_SAFE_INTEGER,parseFloat,parseInt,isInteger'

+    ).split(','), function(key){

+      if($.has(Base, key) && !$.has(Number, key)){

+        $.setDesc(Number, key, $.getDesc(Base, key));

+      }

+    }

+  );

+  Number.prototype = proto;

+  proto.constructor = Number;

+  $.hide($.g, NUMBER, Number);

+}
+},{"./$":16}],39:[function(require,module,exports){
+var $     = require('./$')

+  , $def  = require('./$.def')

+  , abs   = Math.abs

+  , floor = Math.floor

+  , MAX_SAFE_INTEGER = 0x1fffffffffffff; // pow(2, 53) - 1 == 9007199254740991;

+function isInteger(it){

+  return !$.isObject(it) && isFinite(it) && floor(it) === it;

+}

+$def($def.S, 'Number', {

+  // 20.1.2.1 Number.EPSILON

+  EPSILON: Math.pow(2, -52),

+  // 20.1.2.2 Number.isFinite(number)

+  isFinite: function(it){

+    return typeof it == 'number' && isFinite(it);

+  },

+  // 20.1.2.3 Number.isInteger(number)

+  isInteger: isInteger,

+  // 20.1.2.4 Number.isNaN(number)

+  isNaN: function(number){

+    return number != number;

+  },

+  // 20.1.2.5 Number.isSafeInteger(number)

+  isSafeInteger: function(number){

+    return isInteger(number) && abs(number) <= MAX_SAFE_INTEGER;

+  },

+  // 20.1.2.6 Number.MAX_SAFE_INTEGER

+  MAX_SAFE_INTEGER: MAX_SAFE_INTEGER,

+  // 20.1.2.10 Number.MIN_SAFE_INTEGER

+  MIN_SAFE_INTEGER: -MAX_SAFE_INTEGER,

+  // 20.1.2.12 Number.parseFloat(string)

+  parseFloat: parseFloat,

+  // 20.1.2.13 Number.parseInt(string, radix)

+  parseInt: parseInt

+});
+},{"./$":16,"./$.def":12}],40:[function(require,module,exports){
+// 19.1.3.1 Object.assign(target, source)

+var $def = require('./$.def');

+$def($def.S, 'Object', {assign: require('./$.assign')});
+},{"./$.assign":6,"./$.def":12}],41:[function(require,module,exports){
+// 19.1.3.10 Object.is(value1, value2)

+var $def = require('./$.def');

+$def($def.S, 'Object', {

+  is: function(x, y){

+    return x === y ? x !== 0 || 1 / x === 1 / y : x != x && y != y;

+  }

+});
+},{"./$.def":12}],42:[function(require,module,exports){
+// 19.1.3.19 Object.setPrototypeOf(O, proto)

+var $def = require('./$.def');

+$def($def.S, 'Object', {setPrototypeOf: require('./$.set-proto')});
+},{"./$.def":12,"./$.set-proto":20}],43:[function(require,module,exports){
+var $        = require('./$')

+  , $def     = require('./$.def')

+  , isObject = $.isObject

+  , toObject = $.toObject;

+function wrapObjectMethod(METHOD, MODE){

+  var fn  = ($.core.Object || {})[METHOD] || Object[METHOD]

+    , f   = 0

+    , o   = {};

+  o[METHOD] = MODE == 1 ? function(it){

+    return isObject(it) ? fn(it) : it;

+  } : MODE == 2 ? function(it){

+    return isObject(it) ? fn(it) : true;

+  } : MODE == 3 ? function(it){

+    return isObject(it) ? fn(it) : false;

+  } : MODE == 4 ? function(it, key){

+    return fn(toObject(it), key);

+  } : MODE == 5 ? function(it){

+    return fn(Object($.assertDefined(it)));

+  } : function(it){

+    return fn(toObject(it));

+  };

+  try {

+    fn('z');

+  } catch(e){

+    f = 1;

+  }

+  $def($def.S + $def.F * f, 'Object', o);

+}

+wrapObjectMethod('freeze', 1);

+wrapObjectMethod('seal', 1);

+wrapObjectMethod('preventExtensions', 1);

+wrapObjectMethod('isFrozen', 2);

+wrapObjectMethod('isSealed', 2);

+wrapObjectMethod('isExtensible', 3);

+wrapObjectMethod('getOwnPropertyDescriptor', 4);

+wrapObjectMethod('getPrototypeOf', 5);

+wrapObjectMethod('keys');

+wrapObjectMethod('getOwnPropertyNames');
+},{"./$":16,"./$.def":12}],44:[function(require,module,exports){
+'use strict';

+// 19.1.3.6 Object.prototype.toString()

+var $   = require('./$')

+  , cof = require('./$.cof')

+  , tmp = {};

+tmp[require('./$.wks')('toStringTag')] = 'z';

+if($.FW && cof(tmp) != 'z')$.hide(Object.prototype, 'toString', function(){

+  return '[object ' + cof.classof(this) + ']';

+});
+},{"./$":16,"./$.cof":7,"./$.wks":26}],45:[function(require,module,exports){
+'use strict';

+var $       = require('./$')

+  , ctx     = require('./$.ctx')

+  , cof     = require('./$.cof')

+  , $def    = require('./$.def')

+  , assert  = require('./$.assert')

+  , $iter   = require('./$.iter')

+  , SPECIES = require('./$.wks')('species')

+  , RECORD  = require('./$.uid').safe('record')

+  , forOf   = $iter.forOf

+  , PROMISE = 'Promise'

+  , global  = $.g

+  , process = global.process

+  , asap    = process && process.nextTick || require('./$.task').set

+  , Promise = global[PROMISE]

+  , Base    = Promise

+  , isFunction     = $.isFunction

+  , isObject       = $.isObject

+  , assertFunction = assert.fn

+  , assertObject   = assert.obj

+  , test;

+function getConstructor(C){

+  var S = assertObject(C)[SPECIES];

+  return S != undefined ? S : C;

+}

+isFunction(Promise) && isFunction(Promise.resolve)

+&& Promise.resolve(test = new Promise(function(){})) == test

+|| function(){

+  function isThenable(it){

+    var then;

+    if(isObject(it))then = it.then;

+    return isFunction(then) ? then : false;

+  }

+  function handledRejectionOrHasOnRejected(promise){

+    var record = promise[RECORD]

+      , chain  = record.c

+      , i      = 0

+      , react;

+    if(record.h)return true;

+    while(chain.length > i){

+      react = chain[i++];

+      if(react.fail || handledRejectionOrHasOnRejected(react.P))return true;

+    }

+  }

+  function notify(record, isReject){

+    var chain = record.c;

+    if(isReject || chain.length)asap(function(){

+      var promise = record.p

+        , value   = record.v

+        , ok      = record.s == 1

+        , i       = 0;

+      if(isReject && !handledRejectionOrHasOnRejected(promise)){

+        setTimeout(function(){

+          if(!handledRejectionOrHasOnRejected(promise)){

+            if(cof(process) == 'process'){

+              process.emit('unhandledRejection', value, promise);

+            } else if(global.console && isFunction(console.error)){

+              console.error('Unhandled promise rejection', value);

+            }

+          }

+        }, 1e3);

+      } else while(chain.length > i)!function(react){

+        var cb = ok ? react.ok : react.fail

+          , ret, then;

+        try {

+          if(cb){

+            if(!ok)record.h = true;

+            ret = cb === true ? value : cb(value);

+            if(ret === react.P){

+              react.rej(TypeError(PROMISE + '-chain cycle'));

+            } else if(then = isThenable(ret)){

+              then.call(ret, react.res, react.rej);

+            } else react.res(ret);

+          } else react.rej(value);

+        } catch(err){

+          react.rej(err);

+        }

+      }(chain[i++]);

+      chain.length = 0;

+    });

+  }

+  function reject(value){

+    var record = this;

+    if(record.d)return;

+    record.d = true;

+    record = record.r || record; // unwrap

+    record.v = value;

+    record.s = 2;

+    notify(record, true);

+  }

+  function resolve(value){

+    var record = this

+      , then, wrapper;

+    if(record.d)return;

+    record.d = true;

+    record = record.r || record; // unwrap

+    try {

+      if(then = isThenable(value)){

+        wrapper = {r: record, d: false}; // wrap

+        then.call(value, ctx(resolve, wrapper, 1), ctx(reject, wrapper, 1));

+      } else {

+        record.v = value;

+        record.s = 1;

+        notify(record);

+      }

+    } catch(err){

+      reject.call(wrapper || {r: record, d: false}, err); // wrap

+    }

+  }

+  // 25.4.3.1 Promise(executor)

+  Promise = function(executor){

+    assertFunction(executor);

+    var record = {

+      p: assert.inst(this, Promise, PROMISE), // <- promise

+      c: [],                                  // <- chain

+      s: 0,                                   // <- state

+      d: false,                               // <- done

+      v: undefined,                           // <- value

+      h: false                                // <- handled rejection

+    };

+    $.hide(this, RECORD, record);

+    try {

+      executor(ctx(resolve, record, 1), ctx(reject, record, 1));

+    } catch(err){

+      reject.call(record, err);

+    }

+  };

+  $.mix(Promise.prototype, {

+    // 25.4.5.3 Promise.prototype.then(onFulfilled, onRejected)

+    then: function(onFulfilled, onRejected){

+      var S = assertObject(assertObject(this).constructor)[SPECIES];

+      var react = {

+        ok:   isFunction(onFulfilled) ? onFulfilled : true,

+        fail: isFunction(onRejected)  ? onRejected  : false

+      };

+      var P = react.P = new (S != undefined ? S : Promise)(function(res, rej){

+        react.res = assertFunction(res);

+        react.rej = assertFunction(rej);

+      });

+      var record = this[RECORD];

+      record.c.push(react);

+      record.s && notify(record);

+      return P;

+    },

+    // 25.4.5.1 Promise.prototype.catch(onRejected)

+    'catch': function(onRejected){

+      return this.then(undefined, onRejected);

+    }

+  });

+}();

+$def($def.G + $def.W + $def.F * (Promise != Base), {Promise: Promise});

+$def($def.S, PROMISE, {

+  // 25.4.4.5 Promise.reject(r)

+  reject: function(r){

+    return new (getConstructor(this))(function(res, rej){

+      rej(r);

+    });

+  },

+  // 25.4.4.6 Promise.resolve(x)

+  resolve: function(x){

+    return isObject(x) && RECORD in x && $.getProto(x) === this.prototype

+      ? x : new (getConstructor(this))(function(res){

+        res(x);

+      });

+  }

+});

+$def($def.S + $def.F * ($iter.fail(function(iter){

+  Promise.all(iter)['catch'](function(){});

+}) || $iter.DANGER_CLOSING), PROMISE, {

+  // 25.4.4.1 Promise.all(iterable)

+  all: function(iterable){

+    var C      = getConstructor(this)

+      , values = [];

+    return new C(function(resolve, reject){

+      forOf(iterable, false, values.push, values);

+      var remaining = values.length

+        , results   = Array(remaining);

+      if(remaining)$.each.call(values, function(promise, index){

+        C.resolve(promise).then(function(value){

+          results[index] = value;

+          --remaining || resolve(results);

+        }, reject);

+      });

+      else resolve(results);

+    });

+  },

+  // 25.4.4.4 Promise.race(iterable)

+  race: function(iterable){

+    var C = getConstructor(this);

+    return new C(function(resolve, reject){

+      forOf(iterable, false, function(promise){

+        C.resolve(promise).then(resolve, reject);

+      });

+    });

+  }

+});

+cof.set(Promise, PROMISE);

+require('./$.species')(Promise);
+},{"./$":16,"./$.assert":5,"./$.cof":7,"./$.ctx":11,"./$.def":12,"./$.iter":15,"./$.species":21,"./$.task":23,"./$.uid":24,"./$.wks":26}],46:[function(require,module,exports){
+var $         = require('./$')

+  , $def      = require('./$.def')

+  , setProto  = require('./$.set-proto')

+  , $iter     = require('./$.iter')

+  , ITER      = require('./$.uid').safe('iter')

+  , step      = $iter.step

+  , assert    = require('./$.assert')

+  , isObject  = $.isObject

+  , getDesc   = $.getDesc

+  , setDesc   = $.setDesc

+  , getProto  = $.getProto

+  , apply     = Function.apply

+  , assertObject = assert.obj

+  , isExtensible = Object.isExtensible || $.it;

+function Enumerate(iterated){

+  var keys = [], key;

+  for(key in iterated)keys.push(key);

+  $.set(this, ITER, {o: iterated, a: keys, i: 0});

+}

+$iter.create(Enumerate, 'Object', function(){

+  var iter = this[ITER]

+    , keys = iter.a

+    , key;

+  do {

+    if(iter.i >= keys.length)return step(1);

+  } while(!((key = keys[iter.i++]) in iter.o));

+  return step(0, key);

+});

+

+function wrap(fn){

+  return function(it){

+    assertObject(it);

+    try {

+      fn.apply(undefined, arguments);

+      return true;

+    } catch(e){

+      return false;

+    }

+  };

+}

+

+function reflectGet(target, propertyKey/*, receiver*/){

+  var receiver = arguments.length < 3 ? target : arguments[2]

+    , desc = getDesc(assertObject(target), propertyKey), proto;

+  if(desc)return $.has(desc, 'value')

+    ? desc.value

+    : desc.get === undefined

+      ? undefined

+      : desc.get.call(receiver);

+  return isObject(proto = getProto(target))

+    ? reflectGet(proto, propertyKey, receiver)

+    : undefined;

+}

+function reflectSet(target, propertyKey, V/*, receiver*/){

+  var receiver = arguments.length < 4 ? target : arguments[3]

+    , ownDesc  = getDesc(assertObject(target), propertyKey)

+    , existingDescriptor, proto;

+  if(!ownDesc){

+    if(isObject(proto = getProto(target))){

+      return reflectSet(proto, propertyKey, V, receiver);

+    }

+    ownDesc = $.desc(0);

+  }

+  if($.has(ownDesc, 'value')){

+    if(ownDesc.writable === false || !isObject(receiver))return false;

+    existingDescriptor = getDesc(receiver, propertyKey) || $.desc(0);

+    existingDescriptor.value = V;

+    setDesc(receiver, propertyKey, existingDescriptor);

+    return true;

+  }

+  return ownDesc.set === undefined ? false : (ownDesc.set.call(receiver, V), true);

+}

+

+var reflect = {

+  // 26.1.1 Reflect.apply(target, thisArgument, argumentsList)

+  apply: require('./$.ctx')(Function.call, apply, 3),

+  // 26.1.2 Reflect.construct(target, argumentsList [, newTarget])

+  construct: function(target, argumentsList /*, newTarget*/){

+    var proto    = assert.fn(arguments.length < 3 ? target : arguments[2]).prototype

+      , instance = $.create(isObject(proto) ? proto : Object.prototype)

+      , result   = apply.call(target, instance, argumentsList);

+    return isObject(result) ? result : instance;

+  },

+  // 26.1.3 Reflect.defineProperty(target, propertyKey, attributes)

+  defineProperty: wrap(setDesc),

+  // 26.1.4 Reflect.deleteProperty(target, propertyKey)

+  deleteProperty: function(target, propertyKey){

+    var desc = getDesc(assertObject(target), propertyKey);

+    return desc && !desc.configurable ? false : delete target[propertyKey];

+  },

+  // 26.1.5 Reflect.enumerate(target)

+  enumerate: function(target){

+    return new Enumerate(assertObject(target));

+  },

+  // 26.1.6 Reflect.get(target, propertyKey [, receiver])

+  get: reflectGet,

+  // 26.1.7 Reflect.getOwnPropertyDescriptor(target, propertyKey)

+  getOwnPropertyDescriptor: function(target, propertyKey){

+    return getDesc(assertObject(target), propertyKey);

+  },

+  // 26.1.8 Reflect.getPrototypeOf(target)

+  getPrototypeOf: function(target){

+    return getProto(assertObject(target));

+  },

+  // 26.1.9 Reflect.has(target, propertyKey)

+  has: function(target, propertyKey){

+    return propertyKey in target;

+  },

+  // 26.1.10 Reflect.isExtensible(target)

+  isExtensible: function(target){

+    return !!isExtensible(assertObject(target));

+  },

+  // 26.1.11 Reflect.ownKeys(target)

+  ownKeys: require('./$.own-keys'),

+  // 26.1.12 Reflect.preventExtensions(target)

+  preventExtensions: wrap(Object.preventExtensions || $.it),

+  // 26.1.13 Reflect.set(target, propertyKey, V [, receiver])

+  set: reflectSet

+};

+// 26.1.14 Reflect.setPrototypeOf(target, proto)

+if(setProto)reflect.setPrototypeOf = function(target, proto){

+  setProto(assertObject(target), proto);

+  return true;

+};

+

+$def($def.G, {Reflect: {}});

+$def($def.S, 'Reflect', reflect);
+},{"./$":16,"./$.assert":5,"./$.ctx":11,"./$.def":12,"./$.iter":15,"./$.own-keys":18,"./$.set-proto":20,"./$.uid":24}],47:[function(require,module,exports){
+var $      = require('./$')

+  , cof    = require('./$.cof')

+  , RegExp = $.g.RegExp

+  , Base   = RegExp

+  , proto  = RegExp.prototype;

+if($.FW && $.DESC){

+  // RegExp allows a regex with flags as the pattern

+  if(!function(){try{ return RegExp(/a/g, 'i') == '/a/i'; }catch(e){ /* empty */ }}()){

+    RegExp = function RegExp(pattern, flags){

+      return new Base(cof(pattern) == 'RegExp' && flags !== undefined

+        ? pattern.source : pattern, flags);

+    };

+    $.each.call($.getNames(Base), function(key){

+      key in RegExp || $.setDesc(RegExp, key, {

+        configurable: true,

+        get: function(){ return Base[key]; },

+        set: function(it){ Base[key] = it; }

+      });

+    });

+    proto.constructor = RegExp;

+    RegExp.prototype = proto;

+    $.hide($.g, 'RegExp', RegExp);

+  }

+  // 21.2.5.3 get RegExp.prototype.flags()

+  if(/./g.flags != 'g')$.setDesc(proto, 'flags', {

+    configurable: true,

+    get: require('./$.replacer')(/^.*\/(\w*)$/, '$1')

+  });

+}

+require('./$.species')(RegExp);
+},{"./$":16,"./$.cof":7,"./$.replacer":19,"./$.species":21}],48:[function(require,module,exports){
+'use strict';

+var strong = require('./$.collection-strong');

+

+// 23.2 Set Objects

+require('./$.collection')('Set', {

+  // 23.2.3.1 Set.prototype.add(value)

+  add: function(value){

+    return strong.def(this, value = value === 0 ? 0 : value, value);

+  }

+}, strong);
+},{"./$.collection":10,"./$.collection-strong":8}],49:[function(require,module,exports){
+var $def = require('./$.def');

+$def($def.P, 'String', {

+  // 21.1.3.3 String.prototype.codePointAt(pos)

+  codePointAt: require('./$.string-at')(false)

+});
+},{"./$.def":12,"./$.string-at":22}],50:[function(require,module,exports){
+'use strict';

+var $    = require('./$')

+  , cof  = require('./$.cof')

+  , $def = require('./$.def')

+  , toLength = $.toLength;

+

+$def($def.P, 'String', {

+  // 21.1.3.6 String.prototype.endsWith(searchString [, endPosition])

+  endsWith: function(searchString /*, endPosition = @length */){

+    if(cof(searchString) == 'RegExp')throw TypeError();

+    var that = String($.assertDefined(this))

+      , endPosition = arguments[1]

+      , len = toLength(that.length)

+      , end = endPosition === undefined ? len : Math.min(toLength(endPosition), len);

+    searchString += '';

+    return that.slice(end - searchString.length, end) === searchString;

+  }

+});
+},{"./$":16,"./$.cof":7,"./$.def":12}],51:[function(require,module,exports){
+var $def    = require('./$.def')

+  , toIndex = require('./$').toIndex

+  , fromCharCode = String.fromCharCode;

+

+$def($def.S, 'String', {

+  // 21.1.2.2 String.fromCodePoint(...codePoints)

+  fromCodePoint: function(x){ // eslint-disable-line no-unused-vars

+    var res = []

+      , len = arguments.length

+      , i   = 0

+      , code;

+    while(len > i){

+      code = +arguments[i++];

+      if(toIndex(code, 0x10ffff) !== code)throw RangeError(code + ' is not a valid code point');

+      res.push(code < 0x10000

+        ? fromCharCode(code)

+        : fromCharCode(((code -= 0x10000) >> 10) + 0xd800, code % 0x400 + 0xdc00)

+      );

+    } return res.join('');

+  }

+});
+},{"./$":16,"./$.def":12}],52:[function(require,module,exports){
+'use strict';

+var $    = require('./$')

+  , cof  = require('./$.cof')

+  , $def = require('./$.def');

+

+$def($def.P, 'String', {

+  // 21.1.3.7 String.prototype.includes(searchString, position = 0)

+  includes: function(searchString /*, position = 0 */){

+    if(cof(searchString) == 'RegExp')throw TypeError();

+    return !!~String($.assertDefined(this)).indexOf(searchString, arguments[1]);

+  }

+});
+},{"./$":16,"./$.cof":7,"./$.def":12}],53:[function(require,module,exports){
+var set   = require('./$').set

+  , at    = require('./$.string-at')(true)

+  , ITER  = require('./$.uid').safe('iter')

+  , $iter = require('./$.iter')

+  , step  = $iter.step;

+

+// 21.1.3.27 String.prototype[@@iterator]()

+$iter.std(String, 'String', function(iterated){

+  set(this, ITER, {o: String(iterated), i: 0});

+// 21.1.5.2.1 %StringIteratorPrototype%.next()

+}, function(){

+  var iter  = this[ITER]

+    , O     = iter.o

+    , index = iter.i

+    , point;

+  if(index >= O.length)return step(1);

+  point = at.call(O, index);

+  iter.i += point.length;

+  return step(0, point);

+});
+},{"./$":16,"./$.iter":15,"./$.string-at":22,"./$.uid":24}],54:[function(require,module,exports){
+var $    = require('./$')

+  , $def = require('./$.def');

+

+$def($def.S, 'String', {

+  // 21.1.2.4 String.raw(callSite, ...substitutions)

+  raw: function(callSite){

+    var raw = $.toObject(callSite.raw)

+      , len = $.toLength(raw.length)

+      , sln = arguments.length

+      , res = []

+      , i   = 0;

+    while(len > i){

+      res.push(String(raw[i++]));

+      if(i < sln)res.push(String(arguments[i]));

+    } return res.join('');

+  }

+});
+},{"./$":16,"./$.def":12}],55:[function(require,module,exports){
+'use strict';

+var $    = require('./$')

+  , $def = require('./$.def');

+

+$def($def.P, 'String', {

+  // 21.1.3.13 String.prototype.repeat(count)

+  repeat: function(count){

+    var str = String($.assertDefined(this))

+      , res = ''

+      , n   = $.toInteger(count);

+    if(n < 0 || n == Infinity)throw RangeError("Count can't be negative");

+    for(;n > 0; (n >>>= 1) && (str += str))if(n & 1)res += str;

+    return res;

+  }

+});
+},{"./$":16,"./$.def":12}],56:[function(require,module,exports){
+'use strict';

+var $    = require('./$')

+  , cof  = require('./$.cof')

+  , $def = require('./$.def');

+

+$def($def.P, 'String', {

+  // 21.1.3.18 String.prototype.startsWith(searchString [, position ])

+  startsWith: function(searchString /*, position = 0 */){

+    if(cof(searchString) == 'RegExp')throw TypeError();

+    var that  = String($.assertDefined(this))

+      , index = $.toLength(Math.min(arguments[1], that.length));

+    searchString += '';

+    return that.slice(index, index + searchString.length) === searchString;

+  }

+});
+},{"./$":16,"./$.cof":7,"./$.def":12}],57:[function(require,module,exports){
+'use strict';

+// ECMAScript 6 symbols shim

+var $        = require('./$')

+  , setTag   = require('./$.cof').set

+  , uid      = require('./$.uid')

+  , $def     = require('./$.def')

+  , keyOf    = require('./$.keyof')

+  , has      = $.has

+  , hide     = $.hide

+  , getNames = $.getNames

+  , toObject = $.toObject

+  , Symbol   = $.g.Symbol

+  , Base     = Symbol

+  , setter   = false

+  , TAG      = uid.safe('tag')

+  , SymbolRegistry = {}

+  , AllSymbols     = {};

+

+function wrap(tag){

+  var sym = AllSymbols[tag] = $.set($.create(Symbol.prototype), TAG, tag);

+  $.DESC && setter && $.setDesc(Object.prototype, tag, {

+    configurable: true,

+    set: function(value){

+      hide(this, tag, value);

+    }

+  });

+  return sym;

+}

+

+// 19.4.1.1 Symbol([description])

+if(!$.isFunction(Symbol)){

+  Symbol = function(description){

+    if(this instanceof Symbol)throw TypeError('Symbol is not a constructor');

+    return wrap(uid(description));

+  };

+  hide(Symbol.prototype, 'toString', function(){

+    return this[TAG];

+  });

+}

+$def($def.G + $def.W, {Symbol: Symbol});

+

+var symbolStatics = {

+  // 19.4.2.1 Symbol.for(key)

+  'for': function(key){

+    return has(SymbolRegistry, key += '')

+      ? SymbolRegistry[key]

+      : SymbolRegistry[key] = Symbol(key);

+  },

+  // 19.4.2.5 Symbol.keyFor(sym)

+  keyFor: function(key){

+    return keyOf(SymbolRegistry, key);

+  },

+  pure: uid.safe,

+  set: $.set,

+  useSetter: function(){ setter = true; },

+  useSimple: function(){ setter = false; }

+};

+// 19.4.2.2 Symbol.hasInstance

+// 19.4.2.3 Symbol.isConcatSpreadable

+// 19.4.2.4 Symbol.iterator

+// 19.4.2.6 Symbol.match

+// 19.4.2.8 Symbol.replace

+// 19.4.2.9 Symbol.search

+// 19.4.2.10 Symbol.species

+// 19.4.2.11 Symbol.split

+// 19.4.2.12 Symbol.toPrimitive

+// 19.4.2.13 Symbol.toStringTag

+// 19.4.2.14 Symbol.unscopables

+$.each.call((

+    'hasInstance,isConcatSpreadable,iterator,match,replace,search,' +

+    'species,split,toPrimitive,toStringTag,unscopables'

+  ).split(','), function(it){

+    var sym = require('./$.wks')(it);

+    symbolStatics[it] = Symbol === Base ? sym : wrap(sym);

+  }

+);

+

+setter = true;

+

+$def($def.S, 'Symbol', symbolStatics);

+

+$def($def.S + $def.F * (Symbol != Base), 'Object', {

+  // 19.1.2.7 Object.getOwnPropertyNames(O)

+  getOwnPropertyNames: function(it){

+    var names = getNames(toObject(it)), result = [], key, i = 0;

+    while(names.length > i)has(AllSymbols, key = names[i++]) || result.push(key);

+    return result;

+  },

+  // 19.1.2.8 Object.getOwnPropertySymbols(O)

+  getOwnPropertySymbols: function(it){

+    var names = getNames(toObject(it)), result = [], key, i = 0;

+    while(names.length > i)has(AllSymbols, key = names[i++]) && result.push(AllSymbols[key]);

+    return result;

+  }

+});

+

+setTag(Symbol, 'Symbol');

+// 20.2.1.9 Math[@@toStringTag]

+setTag(Math, 'Math', true);

+// 24.3.3 JSON[@@toStringTag]

+setTag($.g.JSON, 'JSON', true);
+},{"./$":16,"./$.cof":7,"./$.def":12,"./$.keyof":17,"./$.uid":24,"./$.wks":26}],58:[function(require,module,exports){
+'use strict';

+var $         = require('./$')

+  , weak      = require('./$.collection-weak')

+  , leakStore = weak.leakStore

+  , ID        = weak.ID

+  , WEAK      = weak.WEAK

+  , has       = $.has

+  , isObject  = $.isObject

+  , isFrozen  = Object.isFrozen || $.core.Object.isFrozen

+  , tmp       = {};

+

+// 23.3 WeakMap Objects

+var WeakMap = require('./$.collection')('WeakMap', {

+  // 23.3.3.3 WeakMap.prototype.get(key)

+  get: function(key){

+    if(isObject(key)){

+      if(isFrozen(key))return leakStore(this).get(key);

+      if(has(key, WEAK))return key[WEAK][this[ID]];

+    }

+  },

+  // 23.3.3.5 WeakMap.prototype.set(key, value)

+  set: function(key, value){

+    return weak.def(this, key, value);

+  }

+}, weak, true, true);

+

+// IE11 WeakMap frozen keys fix

+if($.FW && new WeakMap().set((Object.freeze || Object)(tmp), 7).get(tmp) != 7){

+  $.each.call(['delete', 'has', 'get', 'set'], function(key){

+    var method = WeakMap.prototype[key];

+    WeakMap.prototype[key] = function(a, b){

+      // store frozen objects on leaky map

+      if(isObject(a) && isFrozen(a)){

+        var result = leakStore(this)[key](a, b);

+        return key == 'set' ? this : result;

+      // store all the rest on native weakmap

+      } return method.call(this, a, b);

+    };

+  });

+}
+},{"./$":16,"./$.collection":10,"./$.collection-weak":9}],59:[function(require,module,exports){
+'use strict';

+var weak = require('./$.collection-weak');

+

+// 23.4 WeakSet Objects

+require('./$.collection')('WeakSet', {

+  // 23.4.3.1 WeakSet.prototype.add(value)

+  add: function(value){

+    return weak.def(this, value, true);

+  }

+}, weak, false, true);
+},{"./$.collection":10,"./$.collection-weak":9}],60:[function(require,module,exports){
+(function (global){
+/**
+ * Copyright (c) 2014, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * https://raw.github.com/facebook/regenerator/master/LICENSE file. An
+ * additional grant of patent rights can be found in the PATENTS file in
+ * the same directory.
+ */
+
+!(function(global) {
+  "use strict";
+
+  var hasOwn = Object.prototype.hasOwnProperty;
+  var undefined; // More compressible than void 0.
+  var iteratorSymbol =
+    typeof Symbol === "function" && Symbol.iterator || "@@iterator";
+
+  var inModule = typeof module === "object";
+  var runtime = global.regeneratorRuntime;
+  if (runtime) {
+    if (inModule) {
+      // If regeneratorRuntime is defined globally and we're in a module,
+      // make the exports object identical to regeneratorRuntime.
+      module.exports = runtime;
+    }
+    // Don't bother evaluating the rest of this file if the runtime was
+    // already defined globally.
+    return;
+  }
+
+  // Define the runtime globally (as expected by generated code) as either
+  // module.exports (if we're in a module) or a new, empty object.
+  runtime = global.regeneratorRuntime = inModule ? module.exports : {};
+
+  function wrap(innerFn, outerFn, self, tryLocsList) {
+    return new Generator(innerFn, outerFn, self || null, tryLocsList || []);
+  }
+  runtime.wrap = wrap;
+
+  // Try/catch helper to minimize deoptimizations. Returns a completion
+  // record like context.tryEntries[i].completion. This interface could
+  // have been (and was previously) designed to take a closure to be
+  // invoked without arguments, but in all the cases we care about we
+  // already have an existing method we want to call, so there's no need
+  // to create a new function object. We can even get away with assuming
+  // the method takes exactly one argument, since that happens to be true
+  // in every case, so we don't have to touch the arguments object. The
+  // only additional allocation required is the completion record, which
+  // has a stable shape and so hopefully should be cheap to allocate.
+  function tryCatch(fn, obj, arg) {
+    try {
+      return { type: "normal", arg: fn.call(obj, arg) };
+    } catch (err) {
+      return { type: "throw", arg: err };
+    }
+  }
+
+  var GenStateSuspendedStart = "suspendedStart";
+  var GenStateSuspendedYield = "suspendedYield";
+  var GenStateExecuting = "executing";
+  var GenStateCompleted = "completed";
+
+  // Returning this object from the innerFn has the same effect as
+  // breaking out of the dispatch switch statement.
+  var ContinueSentinel = {};
+
+  // Dummy constructor functions that we use as the .constructor and
+  // .constructor.prototype properties for functions that return Generator
+  // objects. For full spec compliance, you may wish to configure your
+  // minifier not to mangle the names of these two functions.
+  function GeneratorFunction() {}
+  function GeneratorFunctionPrototype() {}
+
+  var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype;
+  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
+  GeneratorFunctionPrototype.constructor = GeneratorFunction;
+  GeneratorFunction.displayName = "GeneratorFunction";
+
+  runtime.isGeneratorFunction = function(genFun) {
+    var ctor = typeof genFun === "function" && genFun.constructor;
+    return ctor
+      ? ctor === GeneratorFunction ||
+        // For the native GeneratorFunction constructor, the best we can
+        // do is to check its .name property.
+        (ctor.displayName || ctor.name) === "GeneratorFunction"
+      : false;
+  };
+
+  runtime.mark = function(genFun) {
+    genFun.__proto__ = GeneratorFunctionPrototype;
+    genFun.prototype = Object.create(Gp);
+    return genFun;
+  };
+
+  runtime.async = function(innerFn, outerFn, self, tryLocsList) {
+    return new Promise(function(resolve, reject) {
+      var generator = wrap(innerFn, outerFn, self, tryLocsList);
+      var callNext = step.bind(generator.next);
+      var callThrow = step.bind(generator["throw"]);
+
+      function step(arg) {
+        var record = tryCatch(this, null, arg);
+        if (record.type === "throw") {
+          reject(record.arg);
+          return;
+        }
+
+        var info = record.arg;
+        if (info.done) {
+          resolve(info.value);
+        } else {
+          Promise.resolve(info.value).then(callNext, callThrow);
+        }
+      }
+
+      callNext();
+    });
+  };
+
+  function Generator(innerFn, outerFn, self, tryLocsList) {
+    var generator = outerFn ? Object.create(outerFn.prototype) : this;
+    var context = new Context(tryLocsList);
+    var state = GenStateSuspendedStart;
+
+    function invoke(method, arg) {
+      if (state === GenStateExecuting) {
+        throw new Error("Generator is already running");
+      }
+
+      if (state === GenStateCompleted) {
+        // Be forgiving, per 25.3.3.3.3 of the spec:
+        // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
+        return doneResult();
+      }
+
+      while (true) {
+        var delegate = context.delegate;
+        if (delegate) {
+          var record = tryCatch(
+            delegate.iterator[method],
+            delegate.iterator,
+            arg
+          );
+
+          if (record.type === "throw") {
+            context.delegate = null;
+
+            // Like returning generator.throw(uncaught), but without the
+            // overhead of an extra function call.
+            method = "throw";
+            arg = record.arg;
+
+            continue;
+          }
+
+          // Delegate generator ran and handled its own exceptions so
+          // regardless of what the method was, we continue as if it is
+          // "next" with an undefined arg.
+          method = "next";
+          arg = undefined;
+
+          var info = record.arg;
+          if (info.done) {
+            context[delegate.resultName] = info.value;
+            context.next = delegate.nextLoc;
+          } else {
+            state = GenStateSuspendedYield;
+            return info;
+          }
+
+          context.delegate = null;
+        }
+
+        if (method === "next") {
+          if (state === GenStateSuspendedStart &&
+              typeof arg !== "undefined") {
+            // https://people.mozilla.org/~jorendorff/es6-draft.html#sec-generatorresume
+            throw new TypeError(
+              "attempt to send " + JSON.stringify(arg) + " to newborn generator"
+            );
+          }
+
+          if (state === GenStateSuspendedYield) {
+            context.sent = arg;
+          } else {
+            delete context.sent;
+          }
+
+        } else if (method === "throw") {
+          if (state === GenStateSuspendedStart) {
+            state = GenStateCompleted;
+            throw arg;
+          }
+
+          if (context.dispatchException(arg)) {
+            // If the dispatched exception was caught by a catch block,
+            // then let that catch block handle the exception normally.
+            method = "next";
+            arg = undefined;
+          }
+
+        } else if (method === "return") {
+          context.abrupt("return", arg);
+        }
+
+        state = GenStateExecuting;
+
+        var record = tryCatch(innerFn, self, context);
+        if (record.type === "normal") {
+          // If an exception is thrown from innerFn, we leave state ===
+          // GenStateExecuting and loop back for another invocation.
+          state = context.done
+            ? GenStateCompleted
+            : GenStateSuspendedYield;
+
+          var info = {
+            value: record.arg,
+            done: context.done
+          };
+
+          if (record.arg === ContinueSentinel) {
+            if (context.delegate && method === "next") {
+              // Deliberately forget the last sent value so that we don't
+              // accidentally pass it on to the delegate.
+              arg = undefined;
+            }
+          } else {
+            return info;
+          }
+
+        } else if (record.type === "throw") {
+          state = GenStateCompleted;
+
+          if (method === "next") {
+            context.dispatchException(record.arg);
+          } else {
+            arg = record.arg;
+          }
+        }
+      }
+    }
+
+    generator.next = invoke.bind(generator, "next");
+    generator["throw"] = invoke.bind(generator, "throw");
+    generator["return"] = invoke.bind(generator, "return");
+
+    return generator;
+  }
+
+  Gp[iteratorSymbol] = function() {
+    return this;
+  };
+
+  Gp.toString = function() {
+    return "[object Generator]";
+  };
+
+  function pushTryEntry(locs) {
+    var entry = { tryLoc: locs[0] };
+
+    if (1 in locs) {
+      entry.catchLoc = locs[1];
+    }
+
+    if (2 in locs) {
+      entry.finallyLoc = locs[2];
+      entry.afterLoc = locs[3];
+    }
+
+    this.tryEntries.push(entry);
+  }
+
+  function resetTryEntry(entry) {
+    var record = entry.completion || {};
+    record.type = "normal";
+    delete record.arg;
+    entry.completion = record;
+  }
+
+  function Context(tryLocsList) {
+    // The root entry object (effectively a try statement without a catch
+    // or a finally block) gives us a place to store values thrown from
+    // locations where there is no enclosing try statement.
+    this.tryEntries = [{ tryLoc: "root" }];
+    tryLocsList.forEach(pushTryEntry, this);
+    this.reset();
+  }
+
+  runtime.keys = function(object) {
+    var keys = [];
+    for (var key in object) {
+      keys.push(key);
+    }
+    keys.reverse();
+
+    // Rather than returning an object with a next method, we keep
+    // things simple and return the next function itself.
+    return function next() {
+      while (keys.length) {
+        var key = keys.pop();
+        if (key in object) {
+          next.value = key;
+          next.done = false;
+          return next;
+        }
+      }
+
+      // To avoid creating an additional object, we just hang the .value
+      // and .done properties off the next function object itself. This
+      // also ensures that the minifier will not anonymize the function.
+      next.done = true;
+      return next;
+    };
+  };
+
+  function values(iterable) {
+    if (iterable) {
+      var iteratorMethod = iterable[iteratorSymbol];
+      if (iteratorMethod) {
+        return iteratorMethod.call(iterable);
+      }
+
+      if (typeof iterable.next === "function") {
+        return iterable;
+      }
+
+      if (!isNaN(iterable.length)) {
+        var i = -1, next = function next() {
+          while (++i < iterable.length) {
+            if (hasOwn.call(iterable, i)) {
+              next.value = iterable[i];
+              next.done = false;
+              return next;
+            }
+          }
+
+          next.value = undefined;
+          next.done = true;
+
+          return next;
+        };
+
+        return next.next = next;
+      }
+    }
+
+    // Return an iterator with no values.
+    return { next: doneResult };
+  }
+  runtime.values = values;
+
+  function doneResult() {
+    return { value: undefined, done: true };
+  }
+
+  Context.prototype = {
+    constructor: Context,
+
+    reset: function() {
+      this.prev = 0;
+      this.next = 0;
+      this.sent = undefined;
+      this.done = false;
+      this.delegate = null;
+
+      this.tryEntries.forEach(resetTryEntry);
+
+      // Pre-initialize at least 20 temporary variables to enable hidden
+      // class optimizations for simple generators.
+      for (var tempIndex = 0, tempName;
+           hasOwn.call(this, tempName = "t" + tempIndex) || tempIndex < 20;
+           ++tempIndex) {
+        this[tempName] = null;
+      }
+    },
+
+    stop: function() {
+      this.done = true;
+
+      var rootEntry = this.tryEntries[0];
+      var rootRecord = rootEntry.completion;
+      if (rootRecord.type === "throw") {
+        throw rootRecord.arg;
+      }
+
+      return this.rval;
+    },
+
+    dispatchException: function(exception) {
+      if (this.done) {
+        throw exception;
+      }
+
+      var context = this;
+      function handle(loc, caught) {
+        record.type = "throw";
+        record.arg = exception;
+        context.next = loc;
+        return !!caught;
+      }
+
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+        var record = entry.completion;
+
+        if (entry.tryLoc === "root") {
+          // Exception thrown outside of any try block that could handle
+          // it, so set the completion value of the entire function to
+          // throw the exception.
+          return handle("end");
+        }
+
+        if (entry.tryLoc <= this.prev) {
+          var hasCatch = hasOwn.call(entry, "catchLoc");
+          var hasFinally = hasOwn.call(entry, "finallyLoc");
+
+          if (hasCatch && hasFinally) {
+            if (this.prev < entry.catchLoc) {
+              return handle(entry.catchLoc, true);
+            } else if (this.prev < entry.finallyLoc) {
+              return handle(entry.finallyLoc);
+            }
+
+          } else if (hasCatch) {
+            if (this.prev < entry.catchLoc) {
+              return handle(entry.catchLoc, true);
+            }
+
+          } else if (hasFinally) {
+            if (this.prev < entry.finallyLoc) {
+              return handle(entry.finallyLoc);
+            }
+
+          } else {
+            throw new Error("try statement without catch or finally");
+          }
+        }
+      }
+    },
+
+    abrupt: function(type, arg) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+        if (entry.tryLoc <= this.prev &&
+            hasOwn.call(entry, "finallyLoc") &&
+            this.prev < entry.finallyLoc) {
+          var finallyEntry = entry;
+          break;
+        }
+      }
+
+      if (finallyEntry &&
+          (type === "break" ||
+           type === "continue") &&
+          finallyEntry.tryLoc <= arg &&
+          arg < finallyEntry.finallyLoc) {
+        // Ignore the finally entry if control is not jumping to a
+        // location outside the try/catch block.
+        finallyEntry = null;
+      }
+
+      var record = finallyEntry ? finallyEntry.completion : {};
+      record.type = type;
+      record.arg = arg;
+
+      if (finallyEntry) {
+        this.next = finallyEntry.finallyLoc;
+      } else {
+        this.complete(record);
+      }
+
+      return ContinueSentinel;
+    },
+
+    complete: function(record, afterLoc) {
+      if (record.type === "throw") {
+        throw record.arg;
+      }
+
+      if (record.type === "break" ||
+          record.type === "continue") {
+        this.next = record.arg;
+      } else if (record.type === "return") {
+        this.rval = record.arg;
+        this.next = "end";
+      } else if (record.type === "normal" && afterLoc) {
+        this.next = afterLoc;
+      }
+
+      return ContinueSentinel;
+    },
+
+    finish: function(finallyLoc) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+        if (entry.finallyLoc === finallyLoc) {
+          return this.complete(entry.completion, entry.afterLoc);
+        }
+      }
+    },
+
+    "catch": function(tryLoc) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+        if (entry.tryLoc === tryLoc) {
+          var record = entry.completion;
+          if (record.type === "throw") {
+            var thrown = record.arg;
+            resetTryEntry(entry);
+          }
+          return thrown;
+        }
+      }
+
+      // The context.catch method must only be called with a location
+      // argument that corresponds to a known catch block.
+      throw new Error("illegal catch attempt");
+    },
+
+    delegateYield: function(iterable, resultName, nextLoc) {
+      this.delegate = {
+        iterator: values(iterable),
+        resultName: resultName,
+        nextLoc: nextLoc
+      };
+
+      return ContinueSentinel;
+    }
+  };
+})(
+  // Among the various tricks for obtaining a reference to the global
+  // object, this seems to be the most reliable technique that does not
+  // use indirect eval (which violates Content Security Policy).
+  typeof global === "object" ? global :
+  typeof window === "object" ? window : this
+);
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}]},{},[1]);
diff --git a/web/static/js/babel-es6-polyfill.min.js b/web/static/js/babel-es6-polyfill.min.js
new file mode 100644
index 000000000..794476133
--- /dev/null
+++ b/web/static/js/babel-es6-polyfill.min.js
@@ -0,0 +1,2 @@
+!function t(e,n,r){function o(s,c){if(!n[s]){if(!e[s]){var u="function"==typeof require&&require;if(!c&&u)return u(s,!0);if(i)return i(s,!0);var a=new Error("Cannot find module '"+s+"'");throw a.code="MODULE_NOT_FOUND",a}var f=n[s]={exports:{}};e[s][0].call(f.exports,function(t){var n=e[s][1][t];return o(n?n:t)},f,f.exports,t,e,n,r)}return n[s].exports}for(var i="function"==typeof require&&require,s=0;s<r.length;s++)o(r[s]);return o}({1:[function(t){(function(e){"use strict";if(e._babelPolyfill)throw new Error("only one instance of babel/polyfill is allowed");e._babelPolyfill=!0,t("./es6-shim"),t("regenerator-babel/runtime")}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof 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diff --git a/web/templates/head.html b/web/templates/head.html
index b36add826..24f9862c0 100644
--- a/web/templates/head.html
+++ b/web/templates/head.html
@@ -37,6 +37,7 @@
     <script src="/static/js/react-bootstrap-0.27.1.js"></script>
     <script src="/static/js/perfect-scrollbar-0.6.7.jquery.min.js"></script>
     <script src="/static/js/jquery-dragster/jquery.dragster.js"></script>
+    <script src="/static/js/babel-es6-polyfill.min.js"></script>
 
     <style id="antiClickjack">body{display:none !important;}</style>
 
diff --git a/web/web.go b/web/web.go
index 34f4df08f..51f6664b6 100644
--- a/web/web.go
+++ b/web/web.go
@@ -170,7 +170,7 @@ func root(c *api.Context, w http.ResponseWriter, r *http.Request) {
 				page.Props[team.Name] = team.DisplayName
 			}
 
-			if len(teams) == 1 && *utils.Cfg.TeamSettings.EnableTeamListing {
+			if len(teams) == 1 && *utils.Cfg.TeamSettings.EnableTeamListing && !utils.Cfg.TeamSettings.EnableTeamCreation {
 				http.Redirect(w, r, c.GetSiteURL()+"/"+teams[0].Name, http.StatusTemporaryRedirect)
 				return
 			}