ceph/ceph — pull request #2993 by theanalyst (2014-11-24 13:29:10+00:00)
Title: check for timestamp for s3 keystone auth

This commit ensures that we check for timestamp of s3 request is within
acceptable grace time of radosgw
Addresses some 5 failures in #10062 related to request headers with bad dates before & after current date
Partly Fixes: #10062