The openstack directory was used to keep codes from oslo-incubator,
we have retired oslo-incubator,so don't use this directory any more.
Change-Id: Ib80662c6477fd55ecad48600c0d6e1f338383fc8
Needed for coverage 4.0, which changed how it processes config
files, so ignore-errors now produces an error where it did not
before.
Change-Id: I7a433bbdcf19d17d3feb672e23da3009c95f0624