vertex weights: add weight quantize tool.
python api internals: no need to set the stop-iter exception string.
convenience makefile: support spaces in paths

also update for new source/tools paths.
Convenience Makefile: spaces in the build path would fail still.
Style Cleanup: whitespace
OSX/scons: using ditto autocreates dirs, spares 2 steps of mkdir iterating over .mo files, faster bundling
CMake OS X: enable FFMPEG and Quicktime by default to match release and scons.
fix for crash with new buildinfo, when gmtime() returns NULL
Fix T37325: applyRotation() wasn't working correctly on rigid bodies in the game engine.

During the physics cleanup/refactor, the rotation matrix in
CcdPhysicsController::RelativeRotate() became transposed.