Blender Git Loki

Merging r52845 through r52847 from trunk into blender-2.65-release

Merging r52842 through r52844 into blender-2.65-release

Merge w/ trunk: r52086-r52534 (As with last time, the game engine was not merged)

Merge w/ trunk: r51141-52085 (Important Note: gameengine and blenderplayer were not merged due to complex differences)

Added a WITH_CODE_COVERAGE option that works with clang and beginnings of a gpucov.py script that I will use to make sure I have tested all the new gpu code.

Bevel: do custom data interpolation.

Collada Code Fix

Bevel: copy attributes from example verts and faces

More fixes to bevel.

Rework bevel to fix a bunch of bugs.

Merge from trunk r51234-r51251

* Revert "zer000"'s Cycles test node commits. (r47479 and 47556)
* Some cleanup to smoke code.

Merging revisions 51077-51234 from trunk

Merging revision 51226 and 51227 from trunk into 2.64a tag

Merging commits 51219 and 51220 from trunk into 2.64a tag

Merge commit 51209 from trunk into 2.64a tag

Merge commit 51191 from trunk into 2.64a tag

merge part of r51070 manually (the part that stops selecting unelectable bones.)

merge theme corrections
svn merge ^/trunk/blender -r51175
svn merge ^/trunk/blender -r51176