Updated openstack/openstack
Project: openstack/ceilometer  9cf440cc8eeeffe190f9585341c338c04a7fcc3f
null
Sync config generator from oslo-incubator

Sync from oslo-incubator with the following patches about the config
generator so that adding new config group won't result the huge change
in the config generator's output.

4b3e32b Sort the output of config/generator.py by group name

Change-Id: Ibe0687711e75366a6d11442dd6b2237b1bb91e11