-support noreply messages in the library

-> not yet in the XML file

examples/echo/echo-client.cpp

@@ -42,7 +42,9 @@ void *greeter_thread(void *arg)
 
 	for (int i = 0; i < 30 && spin; ++i)
 	{
+    cout << "+Hello" << endl;
 		cout << client.Hello(idstr) << endl;
+    cout << "-Hello" << endl;
 	}
 
 	cout << idstr << " done " << endl;

examples/echo/echo-server.cpp

@@ -24,7 +24,7 @@ int32_t EchoServer::Random()
 
 std::string EchoServer::Hello(const std::string &name)
 {
-	sleep (10);
+	sleep (5);
 	return "Hello " + name + "!";
 }