I use http://docs.openstack.org/infra/jenkins-job-builder/, which is great as well: Jenkins configuration in a simple YAML file under source control.
Re:Jenkins 2.0 Beta
by mikehollinger on Friday March 25, 2016 @06:07PM
(#11363054)
Apache Bigtop relies on this, and does a pretty spiffy job of configuring itself out of the box this way.
Will look more closely...
https://github.com/jenkinsci/job-dsl-plugin