BB10: Initial implementation of getDatePattern.

* Just default value now, not sure how to apply options yet.
BB10: Initial implementation of getDateNames.

* Not working yet: getMonths/getWeekdays return null.
BB10: Implement isDayLightSavingsTime.
BB10: Implement getFirstDayOfWeek.
BB10: Implement numberToString.
BB10: Implement stringToNumber.
BB10: Update libGlobalization to the newest state.