Updated openstack/openstack
Project: openstack/ceilometer  717143b1d70a55f5cf20e04cf6b6282e40efb449
null
Add note on aggregate duplication to API docco

Provide some additional clarity on allowable duplication
in the selectable aggregates passed to a statistics query.

Change-Id: If534e0667aa08fd531bbf31032e7648f7b80890c