Ported larger parts of old grails-based playIT
Bugfix for queue displaying only first item
Added autherization and format fixes
Made sure tokens are removed upon closing
initial angular support, adding youtube items
updated exist function
Merge branch 'grails_porting' into angular

* grails_porting:
  updated exist function
implementing votes and saving in localStorage
add compability for empty results?? -- look at this
Votes are now counted propertly, quick add for urls
Added playbackclient handler. Improved autherization to handle groups and playback api token
ugly modification of old client to play using websockets
now playing 100& working
Fixed incorrect dictionary key causing crash when playing Spotify songs
Updated with admin options aswell as playlist functionality
soundcloud support
Merge branch 'grails_porting' into angular

* grails_porting:
  add compability for empty results?? -- look at this
Merge branch 'angular' into grails_porting

* angular:
  soundcloud support
  now playing 100& working
  Votes are now counted propertly, quick add for urls
  implementing votes and saving in localStorage
  initial angular support, adding youtube items