should return "às HH:mm" when format
return "às HH:mm" when use longDateFormat
update copyright year range
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
Add weeksInYear and isoWeeksInYear

This implements #1289. I think the week and iso week stuff should go in
a separate calendar at some point.
Merge pull request #1460 from gdi2290/patch-1

update copyright year range
Merge pull request #1462 from ichernev/feature/weeks-in-year

@changelog
@section feature
@description Add weeksInYear and isoWeeksInYear
Merge pull request #1461 from ichernev/bugfix/romanian-month-names

@changelog
@section bugfix
@description Romanian short month fixes