Merge branch 'master' of https://github.com/worklist/hifi
Attenuation coefficients parsing
removed commented code.
pipe username signature requirement through to DomainHandler
remove a missed console log
Merge pull request #3569 from ey6es/metavoxels

Improved dual contour averaging.
always allow connection from localhost user
Fixing Andrzej's comments
Fixing Andrzej's comments bis
added Vec3.orientedAngle()
first cut at making the rotate handles actually rotate
Merge branch 'master' of https://github.com/highfidelity/hifi into attenuation_zones
make rotate handles work as expected
Merge pull request #3567 from samcake/master

Improve the TextRenderer::draw(), step 1
Remove TREE_SCALE factor _ update attenuation
don't render if alpha is 0
use large target for rotate overlays so we are guarenteed to hit the plane
support for snap to rotation
Working on ray/voxel intersection testing.
handle reloading a new url in billboard overlays