Fix image create functions for Ironic

This fixes an issue where --container-format was not passed to
'openstack image create'.

Change-Id: If1431c8dc8ff8e940f99e984939f5b2732bb0ee0
Closes-Bug: 1357495
Add ironic-python-agent support to devstack

This adds support for using ironic-python-agent with Ironic.

Change-Id: I8f1e93e09ddde447996ecbedceb091f51d60040e
Rename Marconi to Zaqar

This patch changes all Marconi references to Zaqar.

Change-Id: Iec4aeca54c0f383c995fba564bc59daa550d3747
Implements: blueprint project-rename
Merge branch 'master' into csr1kv_for_routing_juno_minimal