Updated openstack/openstack
Project: openstack/nova  724782151a9ea2702ad284fbea64ccb69feb1a17
null
Add wsgiref to requirements.txt

Baremetal deploy helper (nova/cmd/baremetal_deploy_helper.py) uses
wsgiref module, so it should be in requirements.

Closes-bug: #1263480
Change-Id: Ibdd917d8065c085411a21a65e2d9ae016e265ee5