Fixing assetWriter deprecation build failure

finishWriting deprecated as of iOS7.0
AVAudioSession hardware sample rate deprecation fix
ActiveCaptureDevice video frame rate replace deprecated AVCaptureConnection mutators
Fixing unmanaged cases in orientation correction
Removing reveal debug framework
Fixing fragment shader 4-vector construction
Writing motion manager timestamps
Writing video frame timestamps alongside inertial
Log unix timestamps
Merge pull request #1 from matthewgadd/master

Fixes to work with iOS8.1