Adds python-cloudkittyclient to requirements.txt
Adds python-cloudkittyclient to requirements.txt

Change-Id: I9c50803c5638fb57a7902b6b4802df86745b6b5e
Closes-Bug: 1582787

stackforge/cloudkitty-dashboard,openstack/cloudkitty-dashboard,stackforge/cloudkitty-dashboard,stackforge/cloudkitty-dashboard,openstack/cloudkitty-dashboard,openstack/cloudkitty-dashboard