Import oslo-incubator for versioning

After successfully adding openstack versioning to jenkins-job-builder
this add the same support for zuul.

Change-Id: Ia5baab2b0d9392c1b3c70bf890eaf7c6a2ea5c29
Signed-off-by: Paul Belanger <paul.belanger@polybeacon.com>
Reviewed-on: https://review.openstack.org/16219
Reviewed-by: James E. Blair <corvus@inaugust.com>
Approved: Monty Taylor <mordred@inaugust.com>
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Tested-by: Jenkins
11 files changed