- jump into the VM first
- include full Godeps snapshot in release archive that's uploaded with
the github tag
- start a release branch as part of the process, setting us up for
docs deploys
* update Vagrantfile to modern Consul-style version
* add `make release` for a one-shot command to get from fresh vagrant
machine to a built release
* add RELEASING.md to document details about the release process
Clint