fix copyright years
Merge pull request #1443 from birarda/master

open up more audio to JS
simplify loopback trigger for injected audio
fix a glaring omission - actually move the audioInjector to QThread
Merge pull request #1445 from birarda/master

simplify loopback trigger for injected audio, actually move to QThread
More work on delta streaming.
Merge branch 'master' of https://github.com/worklist/hifi
#19466  - Add avatar scale to preferences panel
Merge branch 'master' of https://github.com/worklist/hifi into metavoxels
Merge branch 'master' of https://github.com/worklist/hifi into 19466
add property for volume in AudioInjectorOptions
Merge pull request #1440 from PhilipRosedale/buckyballs

Removed some more old balls/hair/particle code, added local-only version of buckyballs to try playing with
Merge pull request #1448 from birarda/master

add property for volume in AudioInjectorOptions
Tweaked mirror distances
Don’t render head if inside it!
Merge pull request #1449 from PhilipRosedale/mirror

Mirror
reduce elasticity to be less than 1
Name changes, formatting, and comments for readability.
Moved ParticleTreeUpdateArgs into ParticleTreeElement.h
Pulling latest worklist/hifi into local repo