Revert "Update Docker"
Revert "Update Docker"

This docker build has known issues (https://bugzilla.redhat.com/show_bug.cgi?id=1543580) and upgrade path from docker in extras is broken.

This reverts commit e6911f7c9db2e3016463a41f33cf5b28d41f0299.

Change-Id: Ie25ad9e562ee3457ec6ac83a70f25d7e354c1b5b

javierpena/rdoinfo,redhat-openstack/rdoinfo