Updated openstack/openstack
Project: openstack/oslo-incubator  722f4189faf89624c8075bbdb87037ae82ba13e3

update new requests logger to default WARN

The requests library changed the name of their logger, so now
the terrible logging is back in all the projects. Set the new
logger level to WARN as well as the old name.

Change-Id: Ifbc22d097952cae4537fd97a96985bbb42c1b76c