jenkinsci/docker-plugin — pull request #12 by sduchesneau (2014-04-15 18:23:41+00:00)
Title: Add DockerCommand parameter

By default, it will keep "/usr/sbin/sshd -D"
If DockerCommand is set in advanced options for the docker image, it will use that one. Example: /sbin/init works with "tianon/ubuntu-init" image.

https://github.com/jenkinsci/docker-plugin/issues/7