Updated openstack/openstack
Project: openstack/ceilometer  c60d2fa883bdb3782d352bb32cb01a3e4233ab28
null
Add comments for _build_paginate_query

Add comments for _build_paginate_query which will called
_recurse_sort_keys. It will generate the query criteria
recursively if multiple sort keys passed in.

Change-Id: I102308fc1a57f1ba8bd96e64badedbcf60840c28