DasErsteDE: filter RB (RadioBremen) from original_title
update title of german landing page
DasErsteDE: handle another variant of "Kinemathek" title suffix
Tvdb: add another variant of story arc normalization
ORF: handle omitted programmes
ORF: strip empty elements from list of actors
switch Al Jazeera to the HD feed as it contains no duplicates without description
adjust test for presence of directors as the column is defined NOT NULL
KiKaDE: replace CRLF
ZDF: handle repeat from ealier today in subtitle
Xmltv exporter: turn channel group into a comma separated list

This allows to use "tv,norway" in addition to just "tv"
Merge branch 'master' of https://github.com/dekarl/nonametv
Norway-specific changes
Minor changes