Updating client dependencies. Switching to yarn. (#6433)

* Updating client dependancies. Switching to using yarn.

* Updating React

* Moving pure components to using function syntax (performance gains with newer react version)

* Updating client dependancies.

* Ignore .yarninstall

* Enabling pre-lockfile because it's the entire point of using yarn.

* Removing old webpack config

* Moving to new prop-types

* Fixing ESLint Errors

* Updating jest snapshots.

* Cleaning up package.json

1 files changed, 4 insertions, 2 deletions

diff --git a/webapp/components/audio_video_preview.jsx b/webapp/components/audio_video_preview.jsx
index bdad5c2eb..968f8433f 100644
--- a/webapp/components/audio_video_preview.jsx
+++ b/webapp/components/audio_video_preview.jsx
@@ -7,6 +7,8 @@ import Constants from 'utils/constants.jsx';
 import FileInfoPreview from './file_info_preview.jsx';
 import * as Utils from 'utils/utils.jsx';
 
+import PropTypes from 'prop-types';
+
 import React from 'react';
 
 export default class AudioVideoPreview extends React.Component {
@@ -109,6 +111,6 @@ export default class AudioVideoPreview extends React.Component {
 }
 
 AudioVideoPreview.propTypes = {
-    fileInfo: React.PropTypes.object.isRequired,
-    fileUrl: React.PropTypes.string.isRequired
+    fileInfo: PropTypes.object.isRequired,
+    fileUrl: PropTypes.string.isRequired
 };