Adding floatingip_start and floatingip_end to heat template.
Adding floatingip_start and floatingip_end to heat template.

These are needed by the quantum-network-node element

Change-Id: Ic89b7f25752778aa2145768152bbc6e634ea3e5f

rdo-management/tripleo-heat-templates,trozet/tripleo-heat-templates,trozet/opnfv-tht,wyg3958/tripleo-heat-templates,openstack/tripleo-heat-templates,redhat-openstack/tripleo-heat-templates,rdo-management/tripleo-heat-templates,trozet/tripleo-heat-templates,dprince/tripleo-heat-templates,openstack/tripleo-heat-templates,wyg3958/tripleo-heat-templates,bcrochet/tripleo-heat-templates,trozet/opnfv-tht,bcrochet/tripleo-heat-templates,trozet/opnfv-tht,redhat-openstack/tripleo-heat-templates,bcrochet/tripleo-heat-templates,dprince/tripleo-heat-templates