Run everything thru indent to cleanup spaces vs tabs.
Clean up some of the comments by hand.
BGL.c was not touched due to all that macro wackyness.
There are no functional changes to the code.
Pre-indent versions of source are tagged with
tag bpy-cleanup-20040925 , just in case.
- added some constants for the rendering module to blender module
- moved rendering functions from scene to scene.render
- rendering functions called from renderData struct instead of from scene directly
- getRenderingContext() returns rendering data struct
- deprecation of old scene functions
- some formatting/documentation of code
