Merge branch 'master' of https://github.com/worklist/hifi into i-can-always-move
Merge branch 'master' of https://github.com/worklist/hifi into i-can-always-move
Merge pull request #1057 from machinelevel/dev4

Leap interface and Avatar: left-hand IK works for Leap interface.
make mouse cursor hiding more aware of focused window and bounds
Merge pull request #1058 from ZappoMan/hide_cursor

make mouse cursor hiding more aware of focused window and bounds
first cut at added voxel node memory usage debugging to client and server
added more stats to voxel server status
move loading of voxel file to the persist thread so that assignment client will load voxel server faster
added additional debugging of VoxelNode memory usage, shrunk size of VoxelNode by better alignment
Merge pull request #1059 from ZappoMan/voxel_memory_stats

Voxel memory stats/Load voxels on persist thread/Save memory with VoxelNode size savings
Merge branch 'master' of https://github.com/worklist/hifi into i-can-always-move
All onscreen text, overlay OFF when stats are off
Merge pull request #1061 from PhilipRosedale/option_to_hide_all_overlay

Option to hide all overlay
add a JSON endpoint for current assignments
revise linkage of civetweb for both DS and VS
Merge pull request #1062 from birarda/assignment

add a JSON endpoint for current assignments to DS
remove dependency on cJSON and use Qt instead
add both fulfilled and queued assignments to DS json
Merge pull request #1063 from birarda/assignment

DS assignment JSON touchups