Fix mythburn handling of themes with no intro.
Improve text legibility; add rundvdauthor, lang and subtitle tag.
Incorporate my patches to mythburn.py from 0.23.
Fix mythburn handling of themes with no intro.
Make better use of limited space in MythCenter

See http://code.mythtv.org/trac/ticket/11974 for details.
Duplicate lines caused by rebase?
Fix notice logs about height overflow for recgroups.
MythCenter: Display channel info if there's no channel icon or cover art.

Some of us don't bother to download channel icons, but we still like to know
what channel was used to capture a recording or the callsign of a channel
while browsing in Live TV. This patch provides the info, iff there is no
iconpath or coverart.