Updated openstack/openstack
Project: openstack/ceilometer  e7501b22f0ac6eea2e695f0a7e4a699354c75b1b

Add cmd.polling.CLI_OPTS to option list

polling_namespaces and pollster_list are defined but not present
in etc/ceilometer/ceilometer.conf after run tox -egenconfig.

Change-Id: I27494bfda826a3b2a093a5c0e523acbfa8e4de62