added Brazilian Portuguese translation (pt_BR) and added UnlockStats (Tickets which can be unlocked by bin/UnlockTickets.pl)
added Brazilian Portuguese translation (pt_BR) and added UnlockStats (Tickets which can be unlocked by bin/UnlockTickets.pl)

djoudi/otrs-gitimport-test,djoudi/otrs-gitimport-test,djoudi/otrs-gitimport-test