Change the wiki URL in Zuul for test failures.

Change-Id: If1bd8150823a18a7739ac9f112478a097a0ac399
Reviewed-on: https://review.openstack.org/22585
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Approved: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Tested-by: Jenkins
Add g to pre-release ref regex.

To support 2013.1.g3.

We can remove this after grizzly (and start using 'b' instead).

Change-Id: I5d8f4d082de5d13d7c5add7904414f96e30401ea
Reviewed-on: https://review.openstack.org/22614
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Reviewed-by: Thierry Carrez <thierry@openstack.org>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Approved: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Tested-by: Jenkins