Updated openstack/openstack
Project: openstack/nova  19eaec82372baa389d8aa594b9fea1474bee83de

Cleanup v2.1 controller inheritance

For microversions support to work all the API controllers must
inherit from wsgi.Controller rather than object. Currently most
do inherit from wsgi.Controller but some don't. This patch
ensures that all do so.

Partially implements blueprint api-microversions

Change-Id: Ic7351298ae96aa7bb509eb3784e672d5feea262a