Revisions due to Cordova and File plugin upgrades

- Need to update all plugins after reinstalling
  Cordova at the latest version (3.5.0)

- The new File Transfer plugin makes use of file system
  URLs instead of device absolute file paths.  See:

https://github.com/apache/cordova-plugin-file-transfer/blob/master/doc/index.md#backwards-compatibility-notes

- Needed to revise the localContentDir to ensure that
  video files were still fetchable.

- Files to audio files, however, still seem to work using
  the localDir path (see av.js:144,151,205,211).  But there's
  also a dependency warning when checking the plugins via
  the CLI with `cordova plugin list` that reads:

WARNING, broken dependency: plugin org.apache.cordova.file-transfer depends on org.apache.cordova.file 1.0.1 but installed version is 1.1.0
WARNING, broken dependency: plugin org.apache.cordova.media depends on org.apache.cordova.file 1.0.1 but installed version is 1.1.0

  I'm guessing that when the Media plugin is updated, this path
  may need to also change.

- Also commented out all console.logs to kill noise in the
  debugger.