Added event for start gizmo drag
Merge branch 'dev' into adsk-dev
adding math for test
Merge branch 'dev' into adsk-dev

Conflicts:
	examples/js/controls/TransformControls.js
adding event on gizmo click
change name
updating math
Merge branch 'dev' of http://github.com/mrdoob/three.js into adsk-dev
adding math for test
adding event on gizmo click
updating math
Make OrbitControls mouse buttons configurable
Update middle mouse button enumeration name
adding clickDone event triggered on completion of gizmo use in TransformControls
Add THREE.MouseUtils with BUTTONS enum
Update loader-assimp2json example: assimp.json is the new extension for assimp2json JSON files and a format metadata header is added to the format.
Object3D: Recursively dispatch removedFromScene event. Should solve #5269.
Example clean up.
Updated builds.
Merge pull request #5275 from acgessler/dev

Update loader-assimp2json example