Add mistral-dashboard, python-mistralclient to  in tacker jobs
Add mistral-dashboard, python-mistralclient to  in tacker jobs

This patch adds mistral-dashboard and python-tackerclient to tacker
jobs.
Change-Id: I011212a9500d7a346daf155c5f8592fe959fb4b8

openstack-infra/project-config,openstack-infra/project-config