code: function storeLocaleTo(req, res, locale) {
        if (!req || !res || !locale) return false;
        var result = true;
        try {
          res.cookie(options.cookieLocaleName, JSON.stringify(locale), options.cookie);
        } catch(e) {
          console.error('i18n cookie storeLocaleTo Error:' + e);
          result = false;
        }
        return result;
      }
docs: Stores the locale to the given strategy.
  Note: not all strategies have to implement this. Most likely this is suitable for cookie or session strategy.
  
  @param {Object} req      connect / express request object
  @param {Object} res      connect / express response object
  @param {Object} locale   the locale Object with the Keys: ['locales', 'locale', 'requestedLocale', 'isPreferredLocale', 'isSubLocale', 'isAcceptLocale', 'isDefaultLocale']
  @return {Boolean}        true if stored sucessfully, otherwise false