Updated openstack/openstack
Project: openstack/requirements  0a034358a0f9bf6971b47d0d50a7561edb9a108a

Add dib-utils

This project was split off diskimage-builder to contain files used
by other projects too.  In order to add it as a dependency of those
projects, it needs to be here.

Change-Id: I4fc46f963c6e9819efe2a77b0610f59fd1174773