[transform] Add VR mode
Clean up duplicate bone hand in util
Fix grunt issue where new lines would be added to the tops of js files
Set up grunt watch

note that uglify is probably the slowest of all the steps, coming in at
pretty quick. Not a good idea to remove it though, don’t want to commit
removed minified files, etc
Step 1 of refactor bone hand to be faster entering the screen.

Still needs arm scaling similar to hand scaling
[bone hand] Arm support w/ cached bone meshes