添加了热门商品统计
统计加入了订单量和订单额统计，配置了spring
更新manage.html和manage.js支持统计
Add shop type choosing functionality for registerShop page.
Change report type for shop;
Extend AdminAction.findShopCount for reviewing and review-failed shops.
Finish shop statistic functionality;
Add logic on /Market/GetItems when categoryId is of free category;
Fix a problem in ShopAction.modifyShopProfile;
Fix a struts problem by specifying a struts constant.
Fix some problems.
Complete SMS notification functionality.
Optimize implementation of ShopStatisticServer.
Optimize manage.js.