Add pool_manager migrate.cfg in MANIFEST.in
Add pool_manager migrate.cfg in MANIFEST.in

Change-Id: I7fa1d52061fd5c91b45be80590a1eedb60cfdbb0

kiall/designate-py3,ramsateesh/designate,cneill/designate-testing,openstack/designate,ionrock/designate,grahamhayes/designate,kiall/designate-py3,muraliselva10/designate,cneill/designate,cneill/designate-testing,muraliselva10/designate,ionrock/designate,cneill/designate,grahamhayes/designate,tonyli71/designate,cneill/designate,kiall/designate-py3,tonyli71/designate,ionrock/designate,grahamhayes/designate,kiall/designate-py3,muraliselva10/designate,tonyli71/designate,openstack/designate,kiall/designate-py3,cneill/designate,ramsateesh/designate,cneill/designate,cneill/designate-testing,openstack/designate,ramsateesh/designate