Updated PR-BR translations to 2.2.0

Updated PR-BR translations to 2.2.0
A few strings were removed since 2.1.0
remove defaultName from RatingDialog
Merge pull request #79 from N3MIS15/rating_default

remove defaultName from RatingDialog
Merge pull request #74 from fernandovg/patch-1

Updated PR-BR translations to 2.2.0