Tmdb3 augmenter: hint at the search that did not return good matches
update xmltv.dtd to the latest and greatest (adds role to actor)
have Xmltv exporter always compress with gzip -9
have Xmltv exporter write character names into the role attribute

depends on the latest and greated xmltv module, so add it for now
Arte: handle missing total number of episodes
Tmdb3 augmenter: protect against borked results
Tmdb3 augmenter: handle more undefined results
add TV4 to test importers for debugging
new draft importer for RBB
let the RBB importer handle the date going backwards a midnight
add RBB combinations to combiner
when moving away old files, also remove the database entries to keep the batchlog clean
run the RBB importer
DasErsteDE: extend to handle the other channels, too
DasErsteDE: strip export date, parse episode from title, handle more subtitle variants
Tmdb3: protect some more against undefined values
DasErsteDE: handle more ways of saying "is a movie from a year"
DasErsteDE: strip repeat from title on SWR
DasErsteDE: strip another variant of repeat from titles on SWR
DasErsteDE: filter more names of regional stations