Cleanup script: add loop to delete servers in error.
Cleanup script: add loop to delete servers in error.

This patch add ability for the cleanup script to delete server that are
in error state

Change-Id: I7aa70ace3894ac512c2fc6fe558abaefed8e9d01

redhat-openstack/rdo-infra,redhat-openstack/rdo-infra,rdo-infra/ci-config,rdo-infra/ci-config,redhat-openstack/rdo-infra,redhat-openstack/rdo-infra,rdo-infra/ci-config,rdo-infra/ci-config