Changes to use other bvh files
Merge branch 'trunk' into working_branch

Conflicts:
	src/BVHFormat.cpp
	src/MocapData.cpp
	src/SkeletonController.cpp
Change euler angles to a transform node on skeleton
Fixed order when converting quaternion to euler.
Code to converto load and save files is functional.
Rendering fails.
Fixed rendering issues
Reset scaling factor
Added comments on quaternion-euler conversion
Added comments on axis creation in skeleton
Bone resizing is now done along global axes
Comments added/removed
Add SkeletonMixer class
Skel mixer first attempt. It produces really long bones
Fixed skeleton mixer
Improved mixer to do the change along bone direction
Moved skeleton mixer call in skeletoncontroller to a method