gnu: Add perl-net-dns-native.

* gnu/packages/perl.scm (perl-net-dns-native): New public variable.

gnu: youtube-dl: Update to 2017.12.23.

* gnu/packages/video.scm (youtube-dl): Update to 2017.12.23.

gnu: Add python2-numpy-1.8.

* gnu/packages/python.scm (python2-numpy-1.8): New variable.

gnu: python-numpy: Reorganize patches.

* gnu/packages/python.scm (python-numpy)[arguments]<phases>: Delete phase
"set-environment-variables".
Add phase "configure-blas-lapack". Move phase "check" after phase "install".

gnu: Add yamagi-quake2.

* gnu/packages/games.scm (yamagi-quake2): New variable.

gnu: open-adventure: Fix comment about linenoise.

* gnu/packages/games.scm (open-adventure): Fix comment.

gnu: ruby: Use new home page.

The certificate for ruby-lang.org is only valid for lists.ruby-lang.org,
the home page has moved to www.ruby-lang.org with its own certificate.

* gnu/packages/ruby.scm (ruby)[home-page]: Use 'www.ruby-lang.org'.

gnu: java-xz: Adjust home page.

* gnu/packages/java.scm (java-xz)[home-page]: Adjust home-page. The http part of it
is a permanent redirect to https.

gnu: xdelta: Change to new home page.

The previous used http://xdelta.com is linking to a parked/squatted domain.

* gnu/packages/compression.scm (xdelta)[home-page]: Use http://xdelta.org as
new home page.

gnu: xz: Adjust the home page.

Its http URL permanently redirects to the https one,
throwing off some basic external linters.

* gnu/packages/compression.scm (xz)[home-page]: Adjust home page.

gnu: openblas: Build with LAPACK.

* gnu/packages/maths.scm (openblas)[arguments]: Don't disable LAPACK;
add set-extralib phase.
[inputs]: Add fortran-lib.

Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org>

gnu: weechat: Disable tests on non-Intel architectures.

* gnu/packages/irc.scm (weechat)[arguments]: Disable tests on non-Intel
architectures.

gnu: par2cmdline: Update to 0.8.0.

* gnu/packages/backup.scm (par2cmdline): Update to 0.8.0.

gnu: chicken: Update to 4.13.0.

* gnu/packages/scheme.scm (chicken): Update to 4.13.0.
[source]: Remove obsolete patches.
* gnu/packages/patches/chicken-CVE-2017-6949.patch,
gnu/packages/patches/chicken-CVE-2017-11343.patch: Delete files.
* gnu/local.mk (dist_patch_DATA): Remove them.

gnu: dovecot: Update to 2.3.0.

* gnu/packages/mail.scm (dovecot): Update to 2.3.0.
* gnu/services/mail.scm (dovecot-configuration)[director-doveadm-port]
[ssl-parameters-regenerate]: Delete fields.
[ssl-protocols]: Rename to...
[ssl-min-protocol]: ...this.
[mail-log-prefix, mdbox-rotate-size, ssl-cipher-list, imap-logout-format]:
Update default values.
* doc/guix.texi (Mail Services): Reflect the above changes to the service.

gnu: ruby: Use HTTPS for home pages.

* gnu/packages/ruby.scm (ruby-hoe, bundler, ruby-rjb, ruby-libxml)
(ruby-permutation, ruby-gettext, ruby-test-unit, ruby-pry, ruby-tzinfo)
(ruby-tzinfo-data, ruby-term-ansicolor, ruby-pstree, ruby-json, ruby-rack)
(ruby-yard, ruby-ansi, ruby-rubytest, ruby-brass, ruby-qed, ruby-ae)
(ruby-lemon, ruby-rubytest-cli, ruby-hashery)[home-page]: Use HTTPS.

gnu: ruby-tzinfo-data: Update to 1.2017.3.

* gnu/packages/ruby.scm (ruby-tzinfo-data): Update to 1.2017.3

gnu: ruby-tzinfo: Update to 1.2.4.

* gnu/packages/ruby.scm (ruby-tzinfo): Update to 1.2.4

gnu: ocaml-utop: Update to 2.0.2.

* gnu/packages/ocaml.scm (ocaml-utop): Update to 2.0.2

gnu: ocaml-jbuilder: Update to 1.0+beta16.

* gnu/packages/ocaml.scm (ocaml-jbuilder): Update to 1.0+beta16