code: function (pageId, moduleId) {
              var isCommon = (moduleId.indexOf("common:") != -1);
              var refpath = this.buildModuleRefpath(moduleId.replace(/^common:/, ""), isCommon, pageId);
              return this._utils.resolvePath(refpath, this);
          }
docs: Get the module controller instance for a specific refpath in a page
  @param {String} pageId Page identifier
  @param {String} moduleId Module's refpath as specified in the configuration
  @return {aria.template.ModuleCtrl} Instance of module controller