TagTree on-the-fly
tag tree: fixes
Merge branch 'master' into multidirs
Merge branch 'multidirs' into beta

Conflicts:
	src/org/geometerplus/fbreader/library/Library.java
series trees on-the-fly
Merge branch 'master' into multidirs
Merge branch 'multidirs' into beta
title trees on-the-fly
TitleTree fixes; added TODO from library-service branch
Merge branch 'master' into multidirs
Merge branch 'multidirs' into beta
library tree summaries
Merge branch 'master' into multidirs
Merge branch 'multidirs' into beta

Conflicts:
	src/org/geometerplus/fbreader/book/Book.java
updated TODO
Merge branch 'master' into multidirs
Merge branch 'multidirs' into beta