Merge pull request #57 from carlosrusso/master

Merged changes to [pl] and [pt_BR]
Created a new file to fix the untranslated word "Execute" on Administration/Manage Roles.
Merge pull request #58 from ohenriquet/master

[pt_BR] Created a new file to fix the untranslated word "Execute" on Administrat...
Some spelling errors fixed.
[CLEANUP] Switched branch 'master' to TRUNK-SNAPSHOT libs
[pt_BR] Merged changes from OnCase