Notifications when adding songs, albums, etc.

git-svn-id: http://cantata.googlecode.com/svn/trunk@4774 b1e49159-3266-923f-9c3e-04f16369770a
Fix album ordering. Need to check music-brainz id after album name


git-svn-id: http://cantata.googlecode.com/svn/trunk@4775 b1e49159-3266-923f-9c3e-04f16369770a