books db update: uids table, book labels instead of favorites
Merge branch 'master' into ice-cream-sandwich
new label-oriented interface in IBookCollection
BookCollection sends label to db
Merge branch 'master' into ice-cream-sandwich
Merge branch 'ice-cream-sandwich' into ics-rssfeed
Merge branch 'ics-rssfeed' of github.com:geometer/FBReaderJ into ics-rssfeed