Improving the integrated help of the DIPLODOCUS simulator

When the simulator is started with the -help" option, it displays the various options, but valid messages of the "-server" mode are not listed, so one had to start the GUI of TTool, simulation window, to get the help on the messages, which is a pity. I suggest to add a -helpserver which lists all commands of the server mode. Then maybe another -helpcommand that would give more detail on the command?