duplicates issue "fix" rolled back
updated Catalan localization
Merge branch 'master' into new-book-events
removed extra toBeTranslated attributes
Merge branch 'master' into new-book-events
fixed multiple 'manage catalogs' items issue
fixed library/network library tree updating after book/network book info updating
adding downloaded book to the library immediately
Merge branch 'master' into new-book-events
fixed book info saving
Merge branch 'master' into new-book-events

Conflicts:
	src/org/geometerplus/fbreader/book/BookCollection.java
updated ChangeLog
Merge branch 'master' into new-book-events
beta version => 2.0 beta 12
Merge branch 'master' into new-book-events
unused variable
Merge branch 'master' into new-book-events
import MiscUtil
equals() and hashCode()
fixed RationalNumber beahaviour