Add swift-functional test to client and reqs
Add swift-functional test to client and reqs

Add swift-functional test to python-swiftclient and
openstack/requirements gates.

Change-Id: Ibc16295c4209e9d7fdef89ef071fbe100878bfd4

open-switch/infra_project-config,open-switch/infra_project-config,noorul/os-project-config,dongwenjuan/project-config,noorul/os-project-config,osrg/project-config,Tesora/tesora-project-config,osrg/project-config,openstack-infra/project-config,anbangr/osci-project-config,dongwenjuan/project-config,coolsvap/project-config,openstack-infra/project-config,coolsvap/project-config,Tesora/tesora-project-config,citrix-openstack/project-config,citrix-openstack/project-config,anbangr/osci-project-config