Need to publish documentation to docs.openstack.org. This host does
not speak SCP so we cannot use the old SCP documentation publishing
job. Replace SCP job with an FTP job (which docs.openstack.org does
speak) in order to publish documentation destined for
docs.openstack.org.
Change-Id: Ie528389c919179eac5fe6c0ca78e3dbe2251bd00
eb58e310a7