Skip tests when only changing README.rst, CONTRIBUTING.rst, etc.
Skip tests when only changing README.rst, CONTRIBUTING.rst, etc.

Change-Id: Ib78398111ee3d150b6f56aa4e59a65750aa115dd

tipabu/swift,swiftstack/swift,openstack/swift,tipabu/swift,openstack/swift,swiftstack/swift,tipabu/swift,openstack/swift,openstack/swift,swiftstack/swift,tipabu/swift