Created 2.8.x branch
Added output-filter warning to all language files
Copyright notices now includes 2009
removed German Umlauts in some language file (PHP comments)
fixed some errors in standard german language file
added new colloquially german language file (thanks to Michael Tenschert)
added kewyword id to all new files
Removed module mail_filter and added revised version under new module name output filter. Bugs with regular expression fixed.