Update to 1.6.1.

PR:		ports/189396
Submitted by:	Nikolai Lifanov <lifanov@mail.lifanov.com> (maintainer)
Update to 1.71.0.

- Remove libglade2 dependency.
- Remove old `configure` flags.
- Remove old patches.

PR:		ports/188385
Submitted by:	Kevin Zheng <kevinz5000@gmail.com> (maintainer)
- Change AUTOTOOLS=libtool to USES=libtool:keepla.
- Bump portrevision.

Reference:	http://lists.freebsd.org/pipermail/freebsd-ports/2014-May/092082.html
Convert to stage
Update to the 20140504 snapshot of GCC 4.10.
- Chase revision 353604 to graphics/plotutils.

See:    http://svnweb.freebsd.org/ports?view=revision&revision=353604
Maintainer no longer wishes to maintain this port

With hat:	portmgr
Convert to stage
- Change AUTOTOOLS=libtool to USES=libtool.
- Bump portrevision.

Reference:	http://lists.freebsd.org/pipermail/freebsd-ports/2014-May/092082.html
- Chase revision r353611 to graphics/plotutils.
Update to the 20140507 snapshot of GCC 4.9.1.
- Fix the build by building and installing from the right subdirectory.
- Support staging.

PR:		ports/185839
MFH:		2014Q2
- Change AUTOTOOLS=libtool to USES=libtool.
- Bump portrevision.

Reference:	http://lists.freebsd.org/pipermail/freebsd-ports/2014-May/092082.html
- Chase revision r353615 to math/qhull5.
- Chase revision r353611 to math/GiNaC.

Approved by:	portmgr (implicit)
- Chase revision 353604 to graphics/plotutils.

Approved by:	portmgr (implicit)
Support staging.
Drop maintainership to ports@.

PR:		ports/189613
Maintainer no longer wishes to maintain those ports

With hat:	portmgr
- Support staging.
- Set LICENSE.

PR:		ports/189626
Submitted by:	lbartoletti <coder@tuxfamily.org> (maintainer)