Starting work on "metavoxels."
Merge branch 'master' of https://github.com/worklist/hifi into metavoxels
Merge branch 'master' of https://github.com/worklist/hifi into metavoxels
Merge branch 'master' of https://github.com/worklist/hifi into metavoxels
Some work on bitstreaming.
More work on metavoxel bits.
Merge branch 'master' of https://github.com/worklist/hifi into metavoxels
Merge branch 'master' of https://github.com/worklist/hifi into metavoxels
Trivial additions related to attributes.
Merge branch 'master' of https://github.com/worklist/hifi into metavoxels
More progress on generic attributes, metavoxel node management.
More progress on metavoxels with generic attributes.
Merge branch 'master' of https://github.com/worklist/hifi into metavoxels
Merge branch 'master' of https://github.com/worklist/hifi into metavoxels
Basic voxel visitation with multiple attributes.
More progress on generic attributes; color attributes.
More metavoxel bits.
More work on rendering voxels.
Merge branch 'master' of https://github.com/worklist/hifi into metavoxels

Conflicts:
	interface/CMakeLists.txt
	interface/src/Application.cpp
Merge branch 'master' of https://github.com/worklist/hifi into metavoxels