Add id to Observers, to avoid double registration
avoid left/rigth albumart covers curr playing albumart
added some tracklist navigation features
add Ressources
Do not allow playing songs not in current filter
Avoid null values as ids
improve unpause feedback
update filechooser after remove filter
avoid enqueueing of update msgs for filechooser from fsscan
fix next/prev track info
add indices to db
default file chooser mode is genre
some layout changes to indicate better where clickable areas are
Merge pull request #40 from Hoene84/master

Track chooser features