VDR need to use UTF-8

[pointman87]

http://svn.linuxmce.org/trac/ticket/2063

In order to use characters other than the english standard set (in my case swedish Å Ä Ö) we need to use UTF-8 instead of ansi.

VDR_CHARSET_OVERRIDE=UTF-8  needs to be added to /etc/default/vdr