Added PointerStack class, and implemented support for monochrome in VoxelTree
Merge branch 'master' of https://github.com/worklist/hifi into render_voxels_optimization
Merge branch 'master' of https://github.com/worklist/hifi into render_voxels_optimization
Added wantResIn and wantColor feature between client and server
- Updated Voxel Server to support non-res-in version of voxel distribution
- Updated agent data to allow client to send desired res-in and color state
- added menu items to client debug menu to toggle wantResIn and wantColor
fixed comment
Merge pull request #298 from ZappoMan/render_voxels_optimization

Added Monochrome and "res-in" toggle support