Should help improve the quality of matches.
The idea is to support a set of metadata checks of various kinds, to select books in large databases for further processing.
The bleve API has changed slightly, too.
There aren't any external tools to backup a LevelDB database, so it's nice to have a way to do so safely: the dump method is exposed to localhost on the web interface.
Update head template to enable responsiveness in bootstrap theme See merge request !2
