Massive repo-copies request: net->dns (partly devel->dns)

        The category "dns" has been added, now is the time to move
        the dns-related ports to the new world. Is there anyone who
        is brave enough to complete this difficult job? ;)

PR:             ports/56020
Submitted by:   Kimura Fuyuki <fuyuki@nigredo.org>
Approved by:    portmgr

Use NOPORTDOCS, DOCSDIR

Use dyndns as the default update system.

PR:             48428
Submitted by:   Christian Lackas <delta@lackas.net>
Approved by:    maintainer

De-pkg-comment.

Fix substitution in ddupcron.sh.

PR:             48131
Submitted by:   Kimura Fuyuki <fuyuki@hadaly.org>

Update: net/ddup (3.0.1)

        this patch set updates ddup to make it conformant w/
        http://clients.dyndns.org/devel/query.php

        major changes where done by robert@castley.com, so, don't
        forget to give him credits in the CVS logs.

PR:             ports/40966
Submitted by:   Cyrille Lefevre <cyrille.lefevre@laposte.net>

use USE_REINPLACE instead of perl

Remove cjm2@altavista.net as MAINTAINER.  Mail has been bouncing for
 2 months.

Fix master sites

PR:             36680
Submitted by:   Jason Harris <jharris@widomaker.com>
Approved by:    mail bounce

Use ${ECHO_CMD} instead of ${ECHO} where you mean the echo command;   the ECHO
macro is set to "echo" by default, but it is set to "true" if   make(1) is
invoked with the -s option while ECHO_CMD is always set to   the echo command.  
 

Update to 3.0.1.    

Change PKGDIR from pkg/ to .  Also fix places where ${PKGDIR} is   spelled out
(many of which are ${PKGDIR}/MESSAGE -> ${PKGMESSAGE} type   fixes that
shouldn't have been necessary) and the string "/pkg/"   appear.    

Convert category net to new layout.