Issue #232, added id_scene web socket

sails/src/assets/scripts/modules/student/controllers/tags.js

@@ -53,7 +53,8 @@ dashboardControllers.controller('TagsCtrl', function TagsCtrl(
         action: 'update',
         attributes: {
           id_stu: $scope.stu,
-          stu_picto: studentPicto.id
+          stu_picto: studentPicto.id,
+          id_scene: studentPicto.scene
         }
       }, function () {});