Bug: no separator between nb of volumes and volume

There was no character displayed between the number of volumes and the
volume number when both were given. Thanks to Jonas Schneider for
catching this and contributing the patch.
Citations for reports didn't show report type.
Bug: useless suffix, leading to a repeated word
Added indication of duration for films and audio.
Added indication of dimensions for artworks
Merge pull request #745 from nchachereau/master

Update to Infoclio's styles (for Swiss historians)