added support for German language. (thanks robvisual)

git-svn-id: http://notifications-widget.googlecode.com/svn/trunk@70 21922344-3934-ee51-d6e3-fd981ce84c01
1. fixed version number.
2. add credit to robvisual for the german translation

git-svn-id: http://notifications-widget.googlecode.com/svn/trunk@71 21922344-3934-ee51-d6e3-fd981ce84c01