NodeJS 0.10 support

[onny]

Hello,
i want to get tilemill working with nodejs 0.10 and topcube is a dependency of it which is only supported for nodejs prior 0.9.
Any updates on this issue?

Regards and thank you for your work,
onny

[springmeyer]

see #21

[piranna]

Shouldn't this be now updated to add Node.js v0.12 instead?