[i18n] Updated Dutch translations

[Chuck Hagenbuch]

Quoting Jan Kuipers <jrkuipers at lauwerscollege.nl>:

> For some reason unknown to me, I lost (compared to the fw3 branch) a  
> lot messages (after an update) for the Mimp package in the head  
> branch. I don't know if this right. If not , you better not commit  
> the mimp translation.

MIMP now relies on an install of IMP and so lost a lot of duplicate  
code, so this sounds find.

-chuck

-- 
"we are plastered to the windshield of the bus that is time." - Chris