got rid of some dead code
added some tree methods for primitive voxel editing
change to encodeTreeBitstreamRecursion() to allow calling without viewFrustum
added read/write voxel files
Merge branch 'master' of https://github.com/worklist/hifi into render_voxels_optimization
fixed acidental local mode
added save/load persistant file on server startup
added voxel-edit tool, as well as made voxel file read/write work, disabled voxel persist on server shutdown
added --wantVoxelPersist command line to server
fixed local domain
adding command options
added TREE_SCALE to default camera farClip
fix bug in bogus avatar data file
Merge pull request #199 from ZappoMan/master

fixed bug in case of bogus avatar position file
Merge branch 'master' of https://github.com/worklist/hifi into render_voxels_optimization
fixed comment
set dirty bit on tree in a couple new places
persist voxels in main loop
make readFromFileV2() return bool for file exists
make default server behavior be voxel persistance