Integrated ToeInStereoView in OpenGLWindow

Using TriangleWindow as OpenGLWIndow implementation;
Huge refactoring

Added OpenglRenderer and AssetWindow
Split SetupView in SetupWindow
Changed member names (ex. viewWidth -> windowWidth)
Added light support and camera positioning
Refactoring and added StereoView

CToeInStereoView -> ToeInStereoView
Camera changed to origin