Mirror/warning fixes.
This actually seems to work differently on OS X versus Linux.
Fix for audio toolbox.
Trigger fixes.
Fix for invalid projection matrix on startup.
Merge branch 'master' of https://github.com/highfidelity/hifi
Merge branch 'master' of https://github.com/highfidelity/hifi
Linux warnings fixes.
Merge branch 'master' of https://github.com/highfidelity/hifi

Conflicts:
	interface/src/Application.cpp
Set face.
The spec actually says that the 'L' (should have been 'LL' anyway) isn't
necessary; the compiler will know to read the constant as a long long.
Mixer send mute when if too noisy
make mute icon pulsate when muted
make pulsate function into a cos
Set a minimum mute intervalle in the mixer
Extra space
add a guard in case local audio cannot be handled
Merge pull request #3768 from Atlante45/mute_when_noisy

Mute when noisy / Pulsing mute button
Merge pull request #3769 from birarda/plugs

add guard for handling of local audio
Merge pull request #3758 from ey6es/master

Mirror/warning fixes.