changed BrowseFragment to inherit from SherlockFragment, not SherlockListFragment
update SearchActivity to not use ListActivity
removed unneeded MPDApplication objects; they're inherited from BrowseFragment
removed unneeded extra call to UpdateList in PlaylistsFragment
removed methods which just call super
whitespace cleanup
display cache disk usage in settings
fix exception caused by missing album info in LastFMCover
removed extra code to load the noCoverArtIcon, as it's not needed
refactor AlbumDataBinder part one
refactor AlbumDataBinder part two
album artwork grid view in library