display cache disk usage in settings
fix exception caused by missing album info in LastFMCover
refactor AlbumDataBinder part one
refactor AlbumDataBinder part two
refactored all fragments to use AlbumCoverDownloadListener
album artwork grid view in library
created (another) setting to enable the album art grid listing
Merge pull request #221 from mafrosis/album-grid

Album grid (part two)