add wxpay for app

go/gopath/src/fohow.com/apps/controllers/pay_controller/init.go

@@ -28,8 +28,8 @@ import (
 
 var (
 	//不需要校验用户登录的Action
-	exceptCheckUserLoginAction   = []string{"Pay", "PayAsync"}
-	exceptCheckWxUserLoginAction = []string{"Pay", "PayAsync"}
+	exceptCheckUserLoginAction   = []string{"PayAsync"}
+	exceptCheckWxUserLoginAction = []string{"PayAsync"}
 )
 
 type PayController struct {