Use index VBOs in model renderers, for performance.
Be more explicit about static/dynamic VBOs.
Add VBO usage to renderer stats.
Clean up some obsolete unused code.
This was SVN commit r9052.
Add Ogl_Shader and Ogl_Program handle types for shaders/programs loaded
from
files.
In the vertexshader render path, use a vertex program for lighting for
optimization.
This was SVN commit r2853.