#1799056 - Fixed file->display set to 0
#1805840 - Fixed Audiofield will not allow saving of anything other than mp3 files
Added option to enable description field on audio uploads
Added support for XSPF button player.
Drupal coding standards
#1061660 - Cannot hide download link (applied jenlampton patch)
Removed id and added class for wpaudioplayer.
#1766166 - Clean up code to Drupal coding standards