update the config generator from oslo

Change-Id: Ice2407645715d0f1ca144581fa75cbc5ae23fb65
Start using tools/config instead of tools/conf

oslo only supports tools/config so lets use it.

Change-Id: I1d72d158bb6aa52697d04a5b3c632f7e8b661c2e
Merge "update the config generator from oslo"
Merge "Start using tools/config instead of tools/conf"