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
Merge branch 'master' of https://github.com/worklist/hifi into dev4
Rave & Leap: cleanup and move over to new hand/finger structures
Merge branch 'master' of https://github.com/worklist/hifi into dev4
Merge pull request #701 from Ventrella/particles

added life stages to particles for effects to change over time
Code review issues addressed.
Merge branch 'master' of https://github.com/worklist/hifi into dev4

Conflicts:
	interface/src/Hand.cpp
Merge pull request #700 from machinelevel/dev4

Rave Glove: Start of hand/finger reorganization for Leap glove stability and trails
clean up of particle system
Merge remote-tracking branch 'upstream/master' into particles