Golang GitHub.com/nitrous-io/goop is broken

...due to code.google.com/p/go.tools

Set up github.com/karmakaze/goop (but there's no Mercurial history in the referenced github.com/karmakaze/go.tools repo). If someone could verify that there's no unintended/malicious changes, that would be helpful. I'll next see about restoring the hg history and making a proper pull request to nitrous-io.