Rave Glove Demo: Restructuring palm and finger data structures
Merge branch 'master' of https://github.com/worklist/hifi into dev4

Conflicts:
	interface/src/Hand.cpp
minor cleanup
adding more behavior to the particle system
turned off setShowingEmitter
make send only changed bits work better
Merge branch 'master' of https://github.com/worklist/hifi into voxel_animation
Merge branch 'master' of https://github.com/worklist/hifi into dev4
added emitter particle
Merge remote-tracking branch 'upstream/master' into particles
Rave & Leap: cleanup and move over to new hand/finger structures
Tiny sliding with gravity removed
Merge branch 'master' of https://github.com/worklist/hifi
remove old pre-movement of avatar in gravity
Merge pull request #702 from ZappoMan/voxel_animation

Make "Send only changed voxels" work better
Merge pull request #703 from PhilipRosedale/master

No more very slight sliding/collision due to gravity
Merge branch 'master' of https://github.com/worklist/hifi into dev4
added particle life stages
Merge remote-tracking branch 'upstream/master' into particles
Merge pull request #701 from Ventrella/particles

added life stages to particles for effects to change over time