Fix custom background image not appearing when Cantata started.
BUG: 489


git-svn-id: http://cantata.googlecode.com/svn/trunk@4874 b1e49159-3266-923f-9c3e-04f16369770a
Fix context backdrop too...


git-svn-id: http://cantata.googlecode.com/svn/trunk@4875 b1e49159-3266-923f-9c3e-04f16369770a
Update


git-svn-id: http://cantata.googlecode.com/svn/trunk@4876 b1e49159-3266-923f-9c3e-04f16369770a
Disable scrobble love button when playqueue is empty.


git-svn-id: http://cantata.googlecode.com/svn/trunk@4877 b1e49159-3266-923f-9c3e-04f16369770a
Update
BUG: 490


git-svn-id: http://cantata.googlecode.com/svn/trunk@4878 b1e49159-3266-923f-9c3e-04f16369770a