Fix in model loading; simple model viewer

- fixed model loading code
- added simple model viewer (model_test) in src/graphics/opengl/test
- added system time stamp code
- split the code in app/system modules to separate headers
- added debug messages in model loading
- minor fixes in OpenGL engine

1 files changed, 1 insertions, 0 deletions

diff --git a/src/graphics/opengl/test/texture_test.cpp b/src/graphics/opengl/test/texture_test.cpp
index 764e127..79518f8 100644
--- a/src/graphics/opengl/test/texture_test.cpp
+++ b/src/graphics/opengl/test/texture_test.cpp
@@ -170,6 +170,7 @@ int main()
     }
 
     device->Destroy();
+    delete device;
 
     SDL_FreeSurface(surface);