python-configparser and python-backports promotion
python-configparser and python-backports promotion

Adding the python-configparser to train-testing
since is required to run the Flask Application
on the ironic-prometheus-exporter [1]
Adding python-backports since the python-configparser requires it.

[1] https://github.com/metal3-io/ironic-prometheus-exporter/blob/master/ironic_prometheus_exporter/app/exporter.py#L1

Change-Id: Ideaf637fd249c55e77f772f9aceb9767067afa2c

javierpena/rdoinfo,redhat-openstack/rdoinfo