Delete persister when its thread finishes, copy metavoxel nodes on subdivision
so that we'll know that they changed.
Merge branch 'master' of https://github.com/highfidelity/hifi into metavoxels
Some additional comments.
Merge branch 'master' of https://github.com/highfidelity/hifi into metavoxels
Beginnings of some metavoxel scriptability, to create some test landscapes.
Merge branch 'master' of https://github.com/highfidelity/hifi into metavoxels
Merge (but don't clear redundant nodes) after reading subdivisions.
fixed some warnings
Merge pull request #3171 from ZappoMan/fixeParticleServerCrash

fixed some warnings - fix potential crash in particle server
Merge branch 'master' of https://github.com/highfidelity/hifi into metavoxels
disabled SIMD adds in AudioMixer for windows
removed isNan check for _nextOutputTrailingLoudness
forgot unused variable
Create new nodes on subdivision.
Merge pull request #3170 from wdings23/master

Allow script to set light properties for all the avatars
removed SIMD stuff from AudioMixer for all builds
removed space
Merge pull request #3172 from wangyix/quick_audio_PR

removed SIMD instructions in AudioMixer; removed IsNaN check for _nextOutputTrailingLoudness
Unfortunately, the early test for subdivision doesn't work, which means that,
for now, we need to traverse the entire tree to find subdivided nodes.  To be
revisited.
Script bindings for QColor.