title.gettext restricted to list owners

# only owner's may perform a reminder command
is_owner([listname],[sender])      smtp       -> request_auth
is_owner([listname],[sender])      md5,smime  -> do_it
is_listmaster([sender])            smtp       -> request_auth
is_listmaster([sender])		   md5,smime  -> do_it
true()                    smtp,md5,smime -> reject(reason='remind_owner')	
