src/main/java/com/github/ricksbrown/cowsay/CowsayCli.java
public static void showCmdLineHelp() {
		HelpFormatter formatter = new HelpFormatter();
		updateOptionDescriptions();
		formatter.printHelp(I18n.getMessage("usage"), options);
	}
public static void showCmdLineHelp() {
		HelpFormatter formatter = new HelpFormatter();
		updateOptionDescriptions();
		formatter.printHelp(I18n.getMessage("usage"), options);
	}
Displays help message to user.