head penumbra filter tuning with Freddy / filter defaults to on
Merge branch 'master' of https://github.com/highfidelity/hifi into audio-noise

Conflicts:
	assignment-client/src/audio/AudioMixer.cpp
Merge branch 'master' of https://github.com/highfidelity/hifi into audio-noise
Merge branch 'master' of https://github.com/highfidelity/hifi into audio-noise
Merge branch 'master' of https://github.com/highfidelity/hifi into audio-noise
clamp to 0.0f when within EPSILON neighborhood of 0.0f
default sine gain set to -6db
Fix LookAtPosition
Merge pull request #3456 from Atlante45/rec_file_format_tweaks

Fix LookAtPosition
disable positional filter by default
Fixes 0 makes a voxel when tool off
Merge pull request #3458 from Atlante45/editVoxel_fix

Fixes 0 makes a voxel when tool off
Merge pull request #3457 from chansensturm/audio-noise

Set default for head-penumbra filter to off
Added JS hooks for new Player options
Added new options to ControlledAC.js
Merge pull request #3459 from Atlante45/JS_hook_for_recordings

Added JS hooks for new Player options