[i18n] Update Dutch translation H5

[Jan Schneider]

Zitat von Arjen de Korte <arjen+horde at de-korte.org>:

> There are some updates in the Dutch translation for H5. They are  
> available for download from
>
>     http://pub.de-korte.org/H5_Dutch_Translation.tgz
>
> Nothing major, just adding a few missing translations and fixes of  
> literal translations.
>
> Best regards, Arjen

Committed, thanks!
-- 
Jan Schneider
The Horde Project
http://www.horde.org/