patching hibernate with this fix -- https://hibernate.atlassian.net/browse/HHH-4959


git-svn-id: https://svn.internet2.edu/svn/i2mi/trunk@8949 bc24b658-cf39-4249-b827-e3526eaaeb42
fix updates in config overlay, make config overlay independent from other client code

git-svn-id: https://svn.internet2.edu/svn/i2mi/trunk@8950 bc24b658-cf39-4249-b827-e3526eaaeb42