synchronization with library-service branch
Merge branch 'master' into library-service

Conflicts:
	src/org/geometerplus/fbreader/book/BookUtil.java
	src/org/geometerplus/fbreader/library/Library.java
synchronization with library-service branch
Merge branch 'master' into library-service

Conflicts:
	src/org/geometerplus/android/fbreader/libraryService/LibraryService.java
	src/org/geometerplus/fbreader/library/AbstractLibrary.java
	src/org/geometerplus/fbreader/library/Library.java