should return "às HH:mm" when format
return "às HH:mm" when use longDateFormat
Merge pull request #1268 from ericsaboia/develop

Fix hour format when longDateFormat is used with brazilian language

@changelog
@section bugfix
@description Add às between date and time in Brazilian Portuguese
Romanian: fix short month names. Fix #1274
Romanian: add . to short month names. Fix #1275