code: function getConfig(directors) {
    const data = {};
    return getBackendConfig(directors).then((config) => {
      data.backendConfig = config;
      return getInitConfig(directors);
    }).then((config) => {
      data.initConfig = config;
      data.selectConfig = getBackendSelectConfig(directors);
      return data;
    });
  }
docs: [getConfig description]
  @param  {[type]} serverList [description]
  @return {[type]}            [description]