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
Tiny tweak to weight loading: only replace lowest weight if the new weight is
greater.
clamp to 0.0f when within EPSILON neighborhood of 0.0f
default sine gain set to -6db
Merge pull request #3455 from ey6es/master

Tiny tweak to weight loading: only replace lowest weight if the new weig...
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
Merge branch 'master' of https://github.com/highfidelity/hifi into perListenerSourcePairMixerData