Mk/**java.mk: Convert bsd.java.mk to USES

The following features have been added or changed:
- Instead of USE_JAVA use USES=java. This defaults to
  USES=java:build,run if NO_BUILD is undefined. Else it defaults to
  USES=java:run
- Instead of USE_ANT=yes use USES=java:ant which also implies
  USES=java:build
- Instead of JAVA_BUILD=yes use USES=java:build. Does not imply run or
  extract
- Instead of JAVA_EXTRACT=yes use USES=java:extract does not imply
  build or run
- Instead of JAVA_RUN=yes use USES=java:run does not imply extract or
  build
- Instead of USE_JAVA=<version> use USES=java and JAVA_VERSION=<version>

Approved by: mat (portmgr), glewis
Differential Revision:  https://reviews.freebsd.org/D48201

Remove WWW entries moved into port Makefiles

Commit b7f05445c00f has added WWW entries to port Makefiles based on
WWW: lines in pkg-descr files.

This commit removes the WWW: lines of moved-over URLs from these
pkg-descr files.

Approved by:		portmgr (tcberner)

Add WWW entries to port Makefiles

It has been common practice to have one or more URLs at the end of the
ports' pkg-descr files, one per line and prefixed with "WWW:". These
URLs should point at a project website or other relevant resources.

Access to these URLs required processing of the pkg-descr files, and
they have often become stale over time. If more than one such URL was
present in a pkg-descr file, only the first one was tarnsfered into
the port INDEX, but for many ports only the last line did contain the
port specific URL to further information.

There have been several proposals to make a project URL available as
a macro in the ports' Makefiles, over time.

science: remove 'Created by' lines

A big Thank You to the original contributors of these ports:

  *  Andreas Fehlner <fehlner@gmx.de>
  *  Brad Huntting <huntting@glarp.com>
  *  Chao Shin <quakelee@cn.FreeBSD.org>
  *  Cheng-Lung Sung <clsung@FreeBSD.org>
  *  Chia-Hsing Yu <me@davidyu.org>
  *  Chris Rees <utisoft@gmail.com>
  *  David Naylor <dbn@FreeBSD.org>
  *  Dmitry Sivachenko <demon@FreeBSD.org>
  *  Ed Schouten <ed@FreeBSD.org>
  *  Eric Freeman <freebsdports@chillibear.com>
  *  Erik B Knudsen

all: Remove all other $FreeBSD keywords.

Remove # $FreeBSD$ from Makefiles.

Sanitize COMMENT per Section 5.6 of the FreeBSD Porter's Handbook (part 6).

Clean up after java/openjdk6 and java/openjdk6-jre removal

java/openjdk6 support was removed from Mk/bsd.java.mk (r512662) and
java/openjdk6 and java/openjdk6-jre were removed from the ports tree
(r512663).  Now this patch completely removes remaining stuff from the
ports tree.

PR:			241953 (exp-run)
Reviewed by:		glewis
Approved by:		portmgr (antoine)
Differential Revision:	https://reviews.freebsd.org/D22342

MASTER_SITES cleanup.

- Replace ${MASTER_SITE_FOO} with FOO.
- Merge MASTER_SITE_SUBDIR into MASTER_SITES when possible. (This means 99.9%
  of the time.)
- Remove occurrences of MASTER_SITE_LOCAL when no subdirectory was present and
  no hint of what it should be was present.
- Fix some logic.
- And generally, make things more simple and easy to understand.

While there, add magic values to the FESTIVAL, GENTOO, GIMP, GNUPG, QT and
SAMBA macros.

Also, replace some EXTRACT_SUFX occurences with USES=tar:*.

Checked by:	make fetch-urlall-list
With hat:	portmgr
Sponsored by:	Absolight

Java based Smith chart program. Performs single-frequency and sweep charting
with both Smitch charts and SWR/PWR curves. Does drag-and-drop schematic entry
with direct entry of component values as well as "drag tuning". Can import
load parameters directly from the following:

- EZNEC (and EZNEC GAM files)
- miniVNA and miniVNApro
- AIM4170
- CocoaNEC
- Rig Expert ".aaplot" files
- Touchstone S1P ".s1p" files (shunt and series)

Reviewed by:	db, skreuzer
Approved by:	db, skreuzer (mentors)
Differential Revision: https://phabric.freebsd.org/D311