Update CSS. Closes reason field on enter key.
Checking handles better

Also added IsEnabled to SpotifyMusicProvider.
Added Spotify.IsEnabled config key
Soundcloud can now return a null track. Handle null in DefaultAutoPlay.
Merge pull request #16 from fordprefect480/robusterise-autoplayer

Robusterise autoplayer
Added 'reasoned queuing' to history, album browse, likes pages. Renamed 'click' to 'expand'.
Merge branch 'like-upcoming-track'
Merge branch 'queuing-with-reasons'
Merge branch 'master' of https://github.com/trademe/playme into add-super-admins