Updated openstack/openstack
Project: openstack/ceilometer  f7392e47575c8baa081406b03cf14ce2894a5996

Add oslo.db to config generator

Otherwise we miss the oslo.db configuration option in the sample config
file.

Closes-Bug: 1379808

Change-Id: I3a70e5da42562081002286d37ba1a200150c8cfc