Update es longDateFormats

I think this is more correct Spanish, maybe a native speaker can confirm?
add/subtract quarters; startOf/endOf quarter
update tests
quarter setter
Parse quarter from string
quarter in the normalize unit test
Merge pull request #1586 from andrei-cocorean/feature/more_quarter_support

@changelog
@section features
@description More quarter support (add/subtract quarters; startOf/endOf quarter)
Merge pull request #1583 from meleyal/patch-1

@changelog
@section enhancements
@description Update es longDateFormats