text: pc.extend(pc, function () {
      'use strict';
  
      var SceneSettingsHandler = function (app) {
          this._app = app;
      };
  
      SceneSettingsHandler.prototype = {
          load: function (url, callback) {
              pc.http.get(url, function (err, response) {
                  if (!err) {
                      callback(null, response);
                  } else {
                      callback("Error requesting scene: " + url);
                  }
              });
          },
  
          open: function (url, data) {
              return data.settings;
          }
      };
  
      return {
          SceneSettingsHandler: SceneSettingsHandler
      };
  }());
  