Started on ambient occlusion shader.
Merge branch 'master' of https://github.com/worklist/hifi into ssao
Started on C++ side of SSAO effect.
Added VoxelImporter class
Merge branch 'master' of https://github.com/worklist/hifi into separate_import_with_preview
Merge branch 'master' of https://github.com/worklist/hifi into ssao

Conflicts:
	interface/src/Application.h
Missed a spot in the merge.
starting to add PACKET_TYPE_VOXEL_JURISDICTION
Merge branch 'master' of https://github.com/worklist/hifi into animation_server_jurisdictions

Conflicts:
	libraries/voxels/src/JurisdictionMap.h
switched to using Application singleton
Remove the code here; will be replacing it based on glow effect work.
Merge branch 'master' of https://github.com/worklist/hifi into ssao
remove Application dependency from VoxelEditPacketSender class
moved VoxelEditPacketSender to libraries
Merge branch 'master' of https://github.com/worklist/hifi into separate_import_with_preview
Merge branch 'master' of https://github.com/worklist/hifi into separate_import_with_preview
More work on import interface
Merge branch 'master' of https://github.com/worklist/hifi into separate_import_with_preview
Beginnings of ambient occlusion.  Looks like an architectural drawing.
added doxygen comments and cleanup for VoxelSceneStats class