security/libsodium: update to 1.0.19, bump dependent ports

PR:	278259
Reported by:	Andrey Korobkov <alster-vinterdalen.se>

Mk/**ldap.mk: Convert USE_LDAP to USES=ldap

Convert the USE_LDAP=yes to USES=ldap and adds the following features:

- Adds the argument USES=ldap:server to add openldap2{4|5|6}-server as
  RUN_DEPENDS
- Adds the argument USES=ldap<version> and replaces WANT_OPENLDAP_VER
- Adds OPENLDAP versions in bsd.default-versions.mk
- Adds USE_OPENLDAP/WANT_OPENLDAP_VER in Mk/bsd.sanity.mk
- Changes consumers to use the features

Reviewed by:	delphij
Approved by:	portmgr
Differential Revision: https://reviews.freebsd.org/D38233

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.

net: remove 'Created by' lines

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

  *  <ports@c0decafe.net>
  *  Aaron Dalton <aaron@FreeBSD.org>
  *  Aaron Straup Cope <ascope@cpan.org>
  *  Aaron Zauner <az_mail@gmx.at>
  *  Adam Jette <jettea46@yahoo.com>
  *  Adam Weinberger <adamw@FreeBSD.org>
  *  Alan Eldridge <alane@geeksrus.net>
  *  Alex Bakhtin <Alex.Bakhtin@gmail.com>
  *  Alex Deiter <Alex.Deiter@Gmail.COM>
  *  Alex Dupre <ale@FreeBSD.org>
  *  Alex Dupre <sysadmin@alexdupre.com>

net/proftpd-mod_ldap: Add CPE information

USES=cpe was removed per default in the master port so add it here now.

Approved by:    portmgr (blanket)

net/openldap24-client: bump all dependent port

In the earlier net/openldap24-server commit, only those which depend on
net/openldap24-sasl-client were bumped. Bumping all dependent port that
didn't get a bump to force a rebuild of these packages.

Suggested by:	kib

Remove # $FreeBSD$ from Makefiles.

Remove all USE_OPENSSL occurrences.

Sponsored by:	Absolight

Remove UNIQUENAME and LATEST_LINK.

UNIQUENAME was never unique, it was only used by USE_LDCONFIG and now,
we won't have conflicts there.

Use PKGBASE instead of LATEST_LINK in PKGLATESTFILE, the *only* consumer
is pkg-devel, and it works just fine without LATEST_LINK as pkg-devel
has the correct PKGNAME anyway.

Now that UNIQUENAME is gone, OPTIONSFILE is too. (it's been called
OPTIONS_FILE now.)

Reviewed by:	antoine, bapt
Exp-run by:	antoine
Sponsored by:	Absolight
Differential Revision:	https://reviews.freebsd.org/D3336

net/openldap24-*:
- Convert to USES=libtool and bump dependent ports
- Avoid USE_AUTOTOOLS
- Don't use PTHREAD_LIBS
- Use MAKE_CMD

databases/glom:
- Drop :keepla
- Add INSTALL_TARGET=install-strip

databases/libgda4* databases/libgda5*:
- Convert to USES=libtool and bump dependent ports
- USES=tar:xz
- Use INSTALL_TARGET=install-strip
- Use @sample

Add STAGE support to ProFTPD

Add NO_STAGE all over the place in preparation for the staging support (cat:
net)

mod_ldap and mod_quotatab_ldap modules for ProFTPD

WWW:	http://www.proftpd.org/docs/contrib/mod_ldap.html