add widget utils again

apps/quicklaunch/app.js

@@ -1,6 +1,7 @@
 {
   const storage = require("Storage");
   let settings = storage.readJSON("quicklaunch.json", true) || {};
+  let wu =require("widget_utils");
 
   let reset = function(name){
     if (!settings[name]) settings[name] = {"name":"(none)"};
@@ -30,4 +31,5 @@
 
   g.clear();
   Bangle.loadWidgets();
+  wu.show();
 }