Two new languages added: Danish and Portuguese

Pioneers has two new languages available:
Danish, kindly provided by Carson, and Portuguese, kindly provided by Filipe Roque.

You can find them in the 'Translation updates' download section (http://sourceforge.net/project/showfiles.php?group_id=5095&package_id=208313)

Don't forget to read the notes for instructions where to put the new files.