refactoring (gulp and libraries) + some fixing

sites/all/modules/figli/edlp_studio/src/Controller/StudioUIController.php

@@ -72,7 +72,7 @@ class StudioUIController extends ControllerBase {
   public function StudioChutierUIJson(){
     $renderable = $this->buildChutierUI();
     $rendered = render($renderable);
-
+    // TODO: make response cachable
     // JSON
     $response = new JsonResponse();
     $response->setData([