Support stereo when connected to IAA
Remove updateInputDeviceStatus from public header, instead update automatically on IAA connection change.
Added mixer channel count check to prevent -10877 errors.
Merge pull request #76 from psobot/psobot/10877-fix

Added mixer channel count check to prevent -10877 errors.
Merge pull request #74 from lijon/IAA_stereo_fix

IAA stereo fix
Fixed group converterNode resource leak.
Merge pull request #77 from psobot/psobot/converter-node-leak

Fixed group converterNode resource leak.
Fix IAA support when input disabled
Removed a couple of unused constants
Addressed a mixer buffer issue when timestamp is missing
Tweaked float converter cleanup
Merge remote-tracking branch 'official/master'

Conflicts:
	TheAmazingAudioEngine/AEAudioController.m