StendhalPublicServer
Install Stendhal
Get a domain name
You can get one for free at http://www.dyndns.com/
Install Apache and PHP
You already have MySQL to run Marauroa.
If you want a stendhal website working, then configure Apache to attend your domain name.
Get template file from Marauroa
Copy to your Apache htdocs folder
Configure template site
Edit settings.xml
Modify client
Tell users to use your domain name to log in Stendhal instead of stendhal.ath.cx
You can also release a modified client.