Kills local voxels if voxel server is removed from NodeList
- added notification hooks to NodeList
- implemented hooks in VoxelSystem to kill local voxels when
  voxel server is killed
Merge remote-tracking branch 'upstream/master' into particles
Merge branch 'master' of https://github.com/worklist/hifi into multiple_voxel_servers
fix compiler warning
small tweak
ya
adding jurisdiction to scene stats to implement add/drop effect, added command line to voxel server to not send environments
Merge branch 'master' of https://github.com/worklist/hifi into particles
correctly handle freeing of memory for _jurisdictionRoot in VoxelSceneStats
Merge branch 'master' of https://github.com/worklist/hifi into multiple_voxel_servers

Conflicts:
	libraries/avatars/src/HandData.h
working with Eric to fix transmission of hand data
fixed initial rave glove mode
Rave glove demo: network-glove fixes
After this change, people can see each other's rave glove performances.
1. Moved hand->simulate call into avatar->simulate so that it gets called on all avatars, not just mine.
2. Hide the rave stage, so it's out of the way while we figure out the best way to darken the world, if that's still desired.
removed printf
Merge pull request #787 from machinelevel/dev4

Rave glove demo: network-glove fixes
Merge pull request #786 from Ventrella/particles

Added member variables to Hand.cpp to manage rave glove mode switching
Merge branch 'master' of https://github.com/worklist/hifi into dev4
Merge branch 'master' of https://github.com/worklist/hifi into dev4
Rave glove fixes: removed double-stored glove mode members
Uncommented glove mode switch, which now calls a non-crashing method.
Fixed overlapping method names for very different methods (setRaveGloveMode becomes activateNewRaveGloveMode).
Touch-driven pitch happens immediately even when wearing gyros