Bug#591817: Updated packaging

[James Healy <james@yob.id.au>]

I've updated my github repo [1] with rubinius 2.0.0rc1.

It's still not archive ready, but it's something. Antonio - can we
touch base on what needs to be done to get this in a state suitable
for experimental?

James

> [1] https://github.com/yob/debian-rubinius