Update author and author-email
Update author and author-email

Change author to OpenStack and author-email to
openstack-dev@lists.openstack.org

Change-Id: Ie8812ceac8d79a3c1697e2ecf5e4fd4d1378477e

jimbobhickville/taskflow,openstack/taskflow,jimbobhickville/taskflow,openstack/taskflow