fix .js files, optimize order process

1.add a function rstInfo_combine($an_rst); to combine the post data
2.fix gouwuche.js & gouwuchelist.js
3.htmls of lists/menu/cart/info optimize
4.decide to use AJAX post menu.html data to cart.html data AND post
info.html data to DATABASE
5.stay up all night, coding.zzZZZ