Introduce the stereo improvment for the Oculus rendering path
Merge branch 'temp0' of https://github.com/samcake/hifi into temp0
Merge branch 'master' of https://github.com/highfidelity/hifi into temp0
Fix grid controls not updateable
Fix snapToGrid checkbox not working
Add snapToSpacing functionality
Set snapToGrid to default to false
Improve performance of drawing GridOverlay3D
Update ToolWindow to auto-hide itself when main window loses focus
tweaks to sound behavior
use move sounds for turning until further research and foley work
Merge branch 'master' of https://github.com/highfidelity/hifi into movables
Merge pull request #3818 from samcake/temp0

Introduce the Stereo optimization for occulus rendering path
Merge pull request #3820 from huffman/grid-updates

Grid tool updates + fixes
connect to sandbox domain by default
Merge pull request #3822 from birarda/master

restore default domain for clean app launch
Merge pull request #3821 from ZappoMan/movables

More work on the movable.js script
Fix singleton object created on temporary thread
Merge pull request #3824 from Atlante45/fix_ac_deadlock

Fix singleton object created on temporary thread
Merge branch 'master' of https://github.com/highfidelity/hifi into metavoxels