nodesource/distributions — pull request #7 by rvagg (2014-08-26 13:09:24+00:00)
Title: check distro is supported by checking Release file

I'm looking at #6 but prior to actually dealing with it I think we should be confirming that the string we're using for `$DISTRO` is actually supported, then we'd catch lots of other problems related to this (like Ubuntu releases going out of support and new Ubuntu releases we don't yet support).