Updated openstack/openstack
Project: openstack/sahara  aab959c3a9b9c0e2e3088a3b988618d6bad61106

Update oslo-incubator periodic_task

Changes -
 * add list_opts to all modules with configuration options
 * Remove code that moved to oslo.i18n

Change-Id: I165a99328f4af979c1de43aa13430a6eb6938cff