Use REST for neutron floating IP list
Use REST for neutron floating IP list

Wow, turns out we already had the tests fixed. How did we do that?

Change-Id: I1c26a6f817ef7e7d67ba2e560da1149bc4345fbc

dtroyer/python-openstacksdk,openstack/python-openstacksdk,openstack/python-openstacksdk,openstack-infra/shade,dtroyer/python-openstacksdk,stackforge/python-openstacksdk,openstack-infra/shade,stackforge/python-openstacksdk