message: Fix weekStartsOn in fa-IR
  Fixed `weekStartsOn` in Persian locale.
diff: @@ -20,7 +20,7 @@ var locale = {
  localize: localize,
  match: match,
  options: {
  - weekStartsOn: 0 /* Sunday */,
  + weekStartsOn: 6 /* Saturday */,
  firstWeekContainsDate: 1
  }
  }
  