Fixed vault container ownership.
    
    The vault-add command has been fixed such that if the user/service
    private vault container does not exist yet it will be created and
    owned by the user/service instead of the vault creator.
    
    https://fedorahosted.org/freeipa/ticket/5194
    
    Reviewed-By: Petr Vobornik <pvoborni@redhat.com>