Add citycloud to nodepool
Add citycloud to nodepool

Max servers is set to 0 so we will start by uploading images. But begin
bootstrapping our ability to launch nodes via nodepool.

Change-Id: I63956a0e827cac67fb625da035914010849f44bb
Depends-On: Id7b1c739fffc7973c27eca6c5066dc3143611cb8

openstack-infra/project-config,openstack-infra/project-config