make casts float match coding standard
first cut at local voxel cache
make local voxel cache properly switch to different cache file when switching domains
removed dead code
Merge branch 'master' of git://github.com/worklist/hifi into local_voxel_cache
more cast coding standard fixes
fix bug in Octree server that wasn't properly surpressing duplicate packets
Merge branch 'master' of git://github.com/worklist/hifi into local_voxel_cache
Merge pull request #1475 from ZappoMan/local_voxel_cache

Local voxel cache & some bug fixes