Yoez!
Uh, how about we create a GitHub user called CityMania, push the code upto a repo (so it doesnt have the forked from [person]) and then add the developers as colaborators (http://help.github.com/managing-clients/) to it. It means theres a one-stop-shop for the stable code and an obvious place for new dev's to send pull-requests to. It also means we can put up other stuff relating to the project in separate repos, and even have a website at citymania.github.com :D
I'll quite happily set this up, using a clone of croxis' code rather than a fork (unless you say otherwise), as long as I have permission.
Joe
I think this is a good idea. I suggest waiting until tomkeus and I merge our two code bases together first. There will probably be a lot of reconciling of ideas and debates for that to happen :)