First cut of juici deploys

The intended invcation would be after asserting a pass in a seperate test suite,

```bash
curl "{'project': '99designs/projectname', 'sha1': '$SHA1'}" | curl http://$AGENT99URL/juici/deploy
```

Which will queue up a new worktree to call ./script/cideploy

Thoughts @rbone @DanielHeath