Updated openstack/openstack
Project: openstack/python-keystoneclient  3d0eacddf9a920b3bf8fb19dd522433fa771d6fb
null
Use requests library in S3 middleware

Convert the S3 token middleware to use the requests library. It does not
validate certificates as part of this patch to keep new functionality
isolated.

Change-Id: I0f26c80a969b919de80410af0a80920bd8493191
Closes-Bug: #1275598