message: fix importer help option
diff: @@ -105,13 +105,14 @@ public class Importer {
  private void parseOptions(Options options, String[] args) throws ParseException {
  CommandLineParser parser = new DefaultParser();
  - if (Objects.isNull(args) || args.length == 0) {
  + CommandLine commandLine = parser.parse(options, args);
  + if (Objects.isNull(args) || args.length == 0
  + || commandLine.hasOption("h") || commandLine.hasOption("help")) {
  HelpFormatter formatter = new HelpFormatter();
  formatter.printHelp("Importer Options", options);
  System.exit(-1);
  }
  - CommandLine commandLine = parser.parse(options, args);
  address = fetchOptionValue(commandLine, 'a', "address", DEFAULT_ADDRESS);
  batchSize = fetchOptionValue(commandLine, 'b', "batch", DEFAULT_INSERT_BATCH_SIZE);
  