Creation of MasterAnimationController even when there are no joints
MasterAnimation controller added only on the root of the skeleton
Fix bug where some dae file refere to invalid node name
Changes to comply with new AnimationControllers behavior
Merge remote-tracking branch 'refs/remotes/origin/dev' into dev
Merge remote-tracking branch 'refs/remotes/github.com/dev' into dev

Conflicts:
	src/aerys/minko/type/parser/collada/ColladaDocument.as
Merge branch 'origin/dev'