Place priorities list in reverse chronological order
Place priorities list in reverse chronological order

Place priorities list in reverse chronological order

It is now:
   * Newton Priorities
   * Mitaka Priorities

Usually people are concerned with the most recent priorities.

Change-Id: I6632c4e7f95a6896352ee4b3de56422ddf475407

bcornec/ironic-specs,openstack/ironic-specs,NaohiroTamura/ironic-specs