code: function showUsage(req, res) {
  	var egPayload = {
  		"username": "soandso",
  		"message": "Hello bot",
  		"vars": {
  			"name": "Soandso"
  		}
  	};
  	res.writeHead(200, {"Content-Type": "text/plain"});
  	res.write("Usage: curl -i \\\n");
  	res.write("   -H \"Content-Type: application/json\" \\\n");
  	res.write("   -X POST -d '" + JSON.stringify(egPayload) + "' \\\n");
  	res.write("   http://localhost:2001/reply");
  	res.end();
  }
docs: All other routes shows the usage to test the /reply route.