Fixed AEMixerBuffer not deallocating due to reference cycle
Added missing autoreleasepool for thread start
Added defensive autoreleasepool in AVFoundation C-callback
Trying to catch leak of autoreleased AVAudioSessionRouteDescription and other audio session objects
Merge branch 'master' of https://github.com/cipherCOM/TheAmazingAudioEngine into cipherCOM-master

Conflicts:
	TheAmazingAudioEngine/AEAudioController.m
Merge branch 'cipherCOM-master'