[GRASS translations] Brazilian Portuguese translation

[pmarc]

Hi Markus, Daniel, all.

I merged some messages from the pot-files,
translated some, unfuzzied some others.

Markus, please upload to cvs.

Daniel:
   please updae from cvs =]
   I will be reviewing some fuzzy entries through the next weeks, so
you could work as you like.
   Be sure to update before starting to work.

-- 
Paulo Marcondes = PU1/PU2PIX
-22.915 -42.229 = GG87vc (http://www.amsat.org/cgi-bin/gridconv)
Debian GNU/Linux = http://rj.debianbrasil.org = http://www.debian.org