docs: public static void main(String[] argv) {
      String update = null;
      if(argv.length == 2 && "-update".equals(argv[0])) {
        update = argv[1];
        LOG.info("Updating service files in folder: " + update);
      }
      else if(argv.length != 0) {
        throw new AbortException("Incorrect command line parameters.");
      }
      new CheckELKIServices().checkServices(update);
    }