Update link for DIB package
Update link for DIB package

We moved the delorean server, and the diskimage-builder
package was built on the new server with a different
timestamp. This should not require fixing again until
we are able to get DIB updated in the deps repo.

Change-Id: Ieca74624fe6ba6bcea4677562da54c842e6b11df

redhat-openstack/tripleo-quickstart,redhat-openstack/tripleo-quickstart