dotcloud/docker — pull request #6019 by tianon (2014-05-23 20:31:55+00:00)
Title: Add specific branch of @jpetazzo's busybox to clone from so we can assume nice things about it

Also, simplified the "adduser" in the Dockerfile with the much more scripting-friendly "useradd" (which also gets rid of some really ugly output during "docker build").