Use full path.
Log in as mr.roboto.
self is already a Github object.
Revert "Use full path."

This reverts commit 2baa93cef6e8e76d0aab9b7f65e515da9c1a2f1b.
Get repo, pull request from passed-in json.
Merge branch 'master' of github.com:plone/plonejenkins.middleware