[opam-devel] release scripts

[Thomas Gazagnaire]

I've tried to "clean-up" some of my release scripts, that I published on GitHub. It is a mix between opam-publish and my own conventions, so I'm not sure it very useful to someone else than me. Feel free to clone and to adapt to your need. Feel free to rewrite the shell scripts using a proper language and submit a pull-request :-)

With these scripts, using `opam release` at the root of my project will: 
1/ tag the project by greping the version number in _oasis or in opam;
2/ push the tag to upstream repository on GitHub; and 
3/ call opam-publish with the new archive.

My convention are:
- to name the tag as the raw version, not `vVERSION` (ie. not adding a `v` prefix)
- to have an `upstream` git remote pointing at the upstream repository
- to have `opam-publish` installed in a switch called `publish`

Best,
Thomas

[1]: https://github.com/samoht/opam-release