Add tripleo-ci-centos-7-scenario003-standalone job
Add tripleo-ci-centos-7-scenario003-standalone job

This job is required to cover designate.

UPDATE:
  - Also ensure we run all jobs if zuul.d/* are changed.
  - Removed:
      tripleo-ci-centos-7-scenario003-multinode-oooq-container

Change-Id: I31ae7f873617b69bfd8fee7010bab133e384795b
Story: https://tree.taiga.io/project/tripleo-ci-board/us/338

dprince/tripleo-heat-templates,openstack/tripleo-heat-templates,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates