revert additionl of new VOXEL_QUERY message
Merge branch 'master' of https://github.com/worklist/hifi

Conflicts:
	libraries/avatars/src/AvatarData.h
	libraries/voxel-server-library/src/VoxelSendThread.cpp
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
send VOXEL_QUERY to out of view voxel servers with PPS of 0
add guard around nodeData on delete
delete _lastVoxelPacket in ~VoxelNodeData()
properly call resetVoxelPacket() when suppressing duplicate packets
added SIMPLE_CHILD_ARRAY implementation to temporarily work around memory corruption
Merge pull request #1132 from ZappoMan/master

Fix voxel server crashes