code: private static boolean checkArgs(String[] args) {
  		boolean result = (args.length > 0);
  		if (!result) {
  			System.out
  					.println("Usage: java -jar JWPLTimeMachine.jar <config-file>");
  		}
  		return result;
  	}
docs: Checks given arguments
  
  @param args
  <br>
  args[0] the settings file like described in
  {@link SettingsXML}<br>
  
  @return true if all necessary arguments are given and false otherwise
  
  @see SettingsXML