add body angular acceleration
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
Merge branch 'master' of https://github.com/worklist/hifi
tuning tweaks to world and avatar lights
Merge pull request #3197 from ey6es/master

Not sure if everyone sees this or it's just my machine, but the frame rate slowed dramatically using the fixed function state for lights.  This switches back to using uniforms.
Merge pull request #3196 from PhilipRosedale/master

Tweaks to world and avatar lights, add angular acceleration to hair
Multiply local light colors by material diffuse reflectance.