Update zh-tw.js

most taiwanese prefer numerical month date format instead chinese characters, same as zh-cn.
current zh-tw only display month in chinese character 
http://cdn.knightlab.com/libs/timeline/latest/embed/index.html?source=0AlHbrYHut1HUdGNNamt6QzdDeFFyMXVFRmtsUmp4TFE&font=Bevan-PotanoSans&maptype=toner&lang=zh-tw&height=650

source/js/Core/Language/locale/zh-tw.js

@@ -7,10 +7,10 @@ if(typeof VMM != 'undefined') {
 			wikipedia: "zh"
 		},
 		date: {
-			month: ["一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"],
-			month_abbr: ["一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"],
+			month: ["1月", "2月", "3月", "4月", "5月", "6月", "7月", "8月", "9月", "10月", "11月", "12月"],
+			month_abbr: ["1月", "2月", "3月", "4月", "5月", "6月", "7月", "8月", "9月", "10月", "11月", "12月"],
 			day: ["星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"],
-			day_abbr: ["週日", "週一", "週二", "週三", "週四", "週五", "週六"]
+			day_abbr: ["周日", "周一", "周二", "周三", "周四", "周五", "周六"]
 		}, 
 		dateformats: {
 			year: "yyyy年",