Merged r11432 from trunk to 2.2-stable (#13207, #13206)

Portuguese translation for 2.2-stable updated by Rui Rebelo.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.2-stable@11436 e93f8b46-1217-0410-a6f0-8f06a7374b81