More 3.5 updates

Just checked in more fixes to CVS. Here's a list of what's been checked in since initial 3.5 release:

- Fixed vc2k5 build
- Fixed translucent Material problem
- Fixed lightmapping related problems with CustomMaterials
- Fixed DXDiag crash if vendor string not found
- Reduced legacy terrain GPU calls to 1/4 what they were - 10x less setTexture() calls, 5x less drawPrim() calls
- Restored texture painting on legacy terrain
- Fixed drawText slowdown - optimized that render
- Added support for locking non-RT textures
- Added support for subrect locks
- Merged some PrimBuild and GFXVertexColor related fixes from other projects
- Enhanced batcher to support tunable store sizes
- Removed old space orc / gun textures that were no longer used
- Fixed black/white Atlas texture terrain problem
- Fixed some asserts in atlasBaseTOC.h to be more accurate, added priority type.
- Increased chunk staging buffer size to 8MB - fixed atlas TOC serialize crash.
- Added better error checking to bitmapPng.cpp and atlasTexChunk.cpp so it can detect when running out of space on serialize!