fix voxel texture to work better with larger TREE_SCALE
first cut at auto-LOD adjustment
Merge branch 'master' of https://github.com/worklist/hifi into lowerLODnoFPSdrop
add proper readWriteLocks around the VBO arrays to preven random triangles
first working cut at recreateVoxelGeometryInView()
add menu item for auto adjust LOD
removed some debug
added back setupNewVoxelsForDrawing() on changeTree()
correctly lock arrays on init
Merge pull request #2002 from ZappoMan/lowerLODnoFPSdrop

Automatically Adjust LOD