[Xfce-i18n] [de] Translation update

[Nico Schümann]

Maximilian Schleiss schrieb:
> your patch applied perfectly, the changes have been committed.
> The AUTHORS file has been updated with email address changes received so 
> far.
>   
By the way, although you might not be the right one to ask: Will there 
be a next release of Xfce 4.2? I just don't know if it's worth 
translating untranslated things in the 4.2 branch.

Nico