Remove unmaintained expired ports from emulators

2011-05-01 emulators/basiliskII: Distfile is no more available official website
has older distfiles
2011-05-01 emulators/tkhfs: Upstream disapear and distfile is no more available
2011-05-01 emulators/twin: Upstream disapear and distfile is no more available
2011-05-01 emulators/vgb: Distfile is no more available (lastest binaries
provided by upstream are for 5.x)
2011-05-01 emulators/vpce: Upstream disapear and distfile is no more available

Deprecate unmaintained ports from emulators where upstream disapear and/or
where no distfiles can be found and are not used by maintained ports

- Remove unneeded dependency from gtk12/gtk20 [1]
- Remove USE_XLIB/USE_X_PREFIX/USE_XPM in favor of USE_XORG
- Remove X11BASE support in favor of LOCALBASE or PREFIX
- Use USE_LDCONFIG instead of INSTALLS_SHLIB
- Remove unneeded USE_GCC 3.4+

Thanks to all Helpers:
        Dmitry Marakasov, Chess Griffin, beech@, dinoex, rafan, gahr,
        ehaupt, nox, itetcu, flz, pav

PR:             116263
Tested on:      pointyhat
Approved by:    portmgr (pav)

- Welcome X.org 7.2 \o/.
- Set X11BASE to ${LOCALBASE} for recent ${OSVERSION}.
- Bump PORTREVISION for ports intalling files in ${X11BASE}.

I've committed MASTER_SITES changes proposed by Marin Wilke some days ago,
but, the correct way is preserve original MASTER_SITE and add
freebsd.unixfreunde.de just as a backup, I'm doing it right now, restoring
original preserving the Martin's proposed backup.

Bump PORTREVISION because last commit changed PLIST

- Make it fetchable again [1]
- Respect DOCSDIR
- Remove 2 lines pkg-plist

PR:             ports/97659 [1]
Submitted by:   Martin Wilke <freebsd@unixfreunde.de> [1]

- Add SHA256

SIZEify.

Reset maintainer on ports owned by the following committers who have
been inactive for over 12 months and did not respond to my email confirming
their status: keith, nakai, torstenb

Reviewed by:    portmgr

Clear moonlight beckons.
Requiem mors pacem pkg-comment,
And be calm ports tree.

E Nomini Patri, E Fili, E Spiritu Sancti.

Fix MASTER_SITES

distinfo updated because the tarball was re-rolled, differences
only in the tar-header:
vpce03f_freebsd.tgz_new: gzip compressed data, deflated, last modified: Thu Mar
11 01:59:46 1999, max compression, os: Unix
vpce03f_freebsd.tgz_old: gzip compressed data, deflated, last modified: Sun Oct 
4 21:32:15 1998, max compression, os: Unix

PR:             ports/45784
Submitted by:   Mark Linimon <linimon@lonesome.com>

Convert category emulators to new layout.