Early version of a demo showing loading/playback of audio files.
Adds full support for audio file decoding in Node.js, with demo.
Updates to latest Flocking.
Merge branch 'audio-file'

* audio-file:
  Updates to latest Flocking.
  Adds full support for audio file decoding in Node.js, with demo.
  Early version of a demo showing loading/playback of audio files.