* set indent of 4 spaces to js beautifyrc
* adjust jshintrc
* trigger fillSongBoxEvent instead of query db and
  call fillSongBox manually
* sort db on save
* remove order from sons db query because we sort
  the db on save
* add jQuery as argument
* make jshint happy
* remove unnecessary event trigger
* add optional successCallback handling to writeFile
* fix subsonic plugin by referencing to correct method
* add playSong event handling to view
* update main view on playSong event
* write db content ordered to file system
* add db lock to avoid circular event handling
  on update db