Change zuul status link to status.o.o.

Change-Id: If581ddade61ee86681ec23acb0189496f854fab9
Reviewed-on: https://review.openstack.org/19356
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Approved: Monty Taylor <mordred@inaugust.com>
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Tested-by: Jenkins
Zuul status page style changes.

Make it easier on the eyes:
  * blue links (like jenkins/gerrit)
  * color-coded test results
  * more verbose info for pre-results tests

Change-Id: I5d8c26e8fa70429e6f1429deae59e2231ab2051b
Reviewed-on: https://review.openstack.org/19357
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Approved: Monty Taylor <mordred@inaugust.com>
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Tested-by: Jenkins