Reorder nova_controller to match Juno
Reorder nova_controller to match Juno

Reorder nova_controller to match the Juno install-guide. No functional
changes.

Change-Id: Ie5c25515bd3ddb22ee98db4bc930b242355ace29

dguitarbite/OpenStack-Labs,openstack/training-labs,dguitarbite/OpenStack-Labs,dguitarbite/OpenStack-Labs,openstack/training-labs,openstack/training-labs