Fix a bug where the default projection is not getting set for the scene editor's camera.
Fix a scripting error with the 3D viewport.
Add an additional audio format enum in preparation for 32-bit float support.
Fix a bug where the camera projection is not set correctly in the model editor.
Add some infrastructure in preparation for getting collision groups working properly in the editor and scripting environment.
Merge branch 'master' of https://github.com/mackron/GTGameEngine