Merge branch 'master' of https://github.com/worklist/hifi into keep_local_voxels
Merge branch 'master' of https://github.com/worklist/hifi into keep_local_voxels
memset to 0 in VoxelNode to address potential memory corruption
Merge branch 'master' of github.com:worklist/hifi
Merge branch 'master' of github.com:worklist/hifi
Rear view zoom level

new zoom icons
save and restore state from settings
display zoomed out rear view when selected
Merge branch 'master' of https://github.com/worklist/hifi into 19447

Conflicts:
	interface/src/ui/RearMirrorTools.cpp
Starfield fix and Milky Way

Fixed bug where more stars were generated at the poles.

Added 'Milky Way' band in sky, customisable with MILKY_WAY_WIDTH,
MILKY_WAY_INCLINATION and MILKY_WAY_RATIO consts in Generator.cpp.
have silent node removal flag reset on join
reference global with colon
first cut at user adjustable LOD
first cut at user adjustable LOD
Merge pull request #1145 from birarda/assignment

fix silent node removal thread join bug
Merge pull request #1146 from ZappoMan/stephens_requests

added --getOctalCode to voxel edit so you can easily make jurisdictions from arbitrary voxels
Normal map support almost there.
more work on LOD slider
make server resend scene when LOD changes
adjustable LOD tweaks
Sign change.  Forgot we flip the texture coordinates.
Merge branch 'master' of https://github.com/worklist/hifi into ick