TagTree on-the-fly
tag tree: fixes
Merge branch 'master' into multidirs
series trees on-the-fly
Merge branch 'master' into multidirs
title trees on-the-fly
TitleTree fixes; added TODO from library-service branch
Merge branch 'master' into multidirs
library tree summaries
Merge branch 'master' into multidirs
updated TODO
Merge branch 'master' into multidirs