User Life Cycle: Exclude subtree for ipaUniqueID generation
IPA UUID should not generate ipaUniqueID for entries under 'cn=provisioning,SUFFIX'
Add in the configuration the ability to set (optional) 'ipaUuidExcludeSubtree'
https://fedorahosted.org/freeipa/ticket/3813
Reviewed-By: Jan Cholasta <jcholast@redhat.com>
Reviewed-By: David Kupka <dkupka@redhat.com>