Ticket 48133 v2 Non tombstone entry which dn starting with "nsuniqueid=...," cannot be delete
    
    Bug Description: trying to delete a non tombstone entry fails when the generated tombstone is
                     added to the cache
    
    Fix Description: create a tombstone dn without exceptions
                     this is an addition to the original fix for this ticket
    
    https://fedorahosted.org/389/ticket/48133
    
    Reviewed by: Noriko, Mark - thanks