增加save wx user info，保存头像

go/gopath/src/fohow.com/apps/controllers/permit_controller/permit_controller.go

@@ -5,7 +5,6 @@ import (
 	"encoding/hex"
 	"fmt"
 	"fohow.com/libs/lib_redis"
-	"fohow.com/libs/tool"
 	"strconv"
 
 	// "math/rand"