Finished translation of {Buttons,ControlPanel}.multids

I finished translation for the two mentioned files. I tried to find the
best translation capturing the idea of each sentence, but so far I had
to leave expressions like 'permalink' and 'permaview' untranslated.
Finished translation of {Dates,EditTemplate}.multids

Completed translation of the mentioned file. No problems with these
files.
Half translation of Fields.multids

This file has more involved sentences to translate, so I have to be more
carefull with