Portuguese Translation

Finished all portuguese translation and fixed few mistakes. All
portuguese and Brazilian portuguese is do
Revert "Portuguese Translation"

This reverts commit be8709422c1d0e1d192de0be5b86ed59331b39db.
Fixed a word
Correted unintended mod

Correted unintended modification of PurchaseScreen file in the spanish
language
Merge pull request #331 from felipegusmao/master

Final Fixed Modification of the Portuguese Language and Brazilian Portuguese