New config group for oslo_versionedobjects
New config group for oslo_versionedobjects

Lot of projects use fatal_exception_format_errors, we
need to separate out ours in its own group.

Closes-Bug: #1433647
Change-Id: I7a53ed2c5b2387214c4edba7295cb800e12f47a9

openstack/oslo.versionedobjects