Updated openstack/openstack
Project: openstack/sahara  a37345d2d0c2d2af3eed137ce08020d650c0ab6a

Disable all set of tests (every plugin) by default

Users need to enable them case-by-case.
Closes-Bug: #1392420

Change-Id: I47cefcf4181732b903df81385c9eb27d7482e52b