GitHub usernames from all current contributors

[GoogleCodeExporter]

We will need the GitHub usernames of anyone who wants to contribute.

Please add your GitHub username in a comment below if you want/need write 
access to the repository.

This should be completed BEFORE the move (as this might give us a chance to 
also fix ownerships in the issue tracker).

See MoveToGitHub.

Original issue reported on code.google.com by orbeckst on 28 Mar 2015 at 1:33

• Blocking: Move MDAnalysis to GitHub due to Google Code closure #223, Export Google Code repository to GitHub #233