gnu: python-autopep8: Update to 1.3.2.

* gnu/packages/python.scm (python-autopep8): Update to 1.3.2.

gnu: Add python-pydiff.

* gnu/packages/python.scm (python-pydiff, python2-pydiff): New variables.

gnu: dnsmasq: Update to 2.78 [Security fixes].

This fixes CVE-2017-13704 and CVE-2017-1449[123456].

* gnu/packages/dns.scm (dnsmasq): Update to 2.78.

gnu: ruby-pry: Update to 0.11.1.

* gnu/packages/ruby.scm (ruby-pry): Update to 0.11.1.
[propagated-inputs]: Remove ruby-slop-3.

gnu: ruby-method-source: Update to 0.9.0.

* gnu/packages/ruby.scm (ruby-method-source): Update to 0.9.0.
[arguments]: Use "spec" test target.
[native-inputs]: Remove ruby-bacon, add ruby-rspec.

gnu: autoconf-archive: Update to 2017.09.28.

* gnu/packages/autotools.scm (autoconf-archive): Update to 2017.09.28.

gnu: tilda: Use glib-or-gtk build system.

* gnu/packages/terminals.scm (tilda)[build-system]: Switch to
glib-or-gtk build system.
[inputs]: Remove glib:bin, gtk+.

gnu: gnome-calendar: Update to 3.26.1.

* gnu/packages/gnome.scm (gnome-calendar): Update to 3.26.1.
[build-system]: Move to meson-build-system.
[arguments]: Enable gtk+ for meson-build-system, disable tests.
[native-inputs]: Add gettext, gtk+-bin and glib-bin, remove intltool.
[inputs]: Remove bdb and desktop-file-utils.
[description]: Rephrase and add week view.

Signed-off-by: Kei Kebreau <kkebreau@posteo.net>

gnu: tor: Update to 0.3.1.7.

* gnu/packages/tor.scm (tor): Update to 0.3.1.7.

gnu: knot: update to 2.6.0.

* gnu/packages/dns.scm (knot): Update to 2.6.0.

gnu: youtube-dl: Update to 2017.10.01.

* gnu/packages/video.scm (youtube-dl): Update to 2017.10.01.

gnu: Add libngspice and ngspice.

* gnu/packages/engineering.scm (libngspice, ngspice): New variables.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add emacs-writeroom.

* gnu/packages/emacs.scm (emacs-writeroom): New variable.

Signed-off-by: Christopher Baines <mail@cbaines.net>

gnu: emacs-visual-fill-column: Update to 1.11.

* gnu/packages/emacs.scm (emacs-visual-fill-column): Update to 1.11.

Signed-off-by: Christopher Baines <mail@cbaines.net>

gnu: emacs-cyberpunk-theme: Update to 1.19.

* gnu/packages/emacs.scm (emacs-cyberpunk-theme): Update to 1.19.

gnu: gnunet: Use 'gnutls/dane' as input.

This switches the used GnuTLS to the one recommended
by the GNUnet Documentation (Chapter "Installation Handbook",
Section "Generic installation instructions") where a specific
order of dependency installation is required.  In this
order libunbound is installed first, then GnuTLS, then libgnurl,
followed by libmicrohttpd.

* gnu/packages/gnunet.scm (gnunet)[inputs]: Replace gnutls with 'gnutls/dane'.

Signed-off-by: Christopher Baines <mail@cbaines.net>

gnu: libmicrohttpd: Use 'gnutls/dane' as input.

This switches the used GnuTLS to the one recommended
by the GNUnet Documentation (Chapter "Installation Handbook",
Section "Generic installation instructions") where a specific
order of dependency installation is required.  In this
order libunbound is installed first, then GnuTLS, then libgnurl,
followed by libmicrohttpd.

* gnu/packages/gnunet.scm (libmicrohttpd)[inputs]: Replace gnutls with
  'gnutls/dane'.

Signed-off-by: Christopher Baines <mail@cbaines.net>

gnu: gnurl: Use 'gnutls/dane' as input.

This switches the used GnuTLS to the one recommended
by the GNUnet Documentation (Chapter "Installation Handbook",
Section "Generic installation instructions") where a specific
order of dependency installation is required.  In this
order libunbound is installed first, then GnuTLS, then libgnurl,
followed by libmicrohttpd.

* gnu/packages/gnunet.scm (gnurl)[inputs]: Replace gnutls with 'gnutls/dane'.

Signed-off-by: Christopher Baines <mail@cbaines.net>

gnu: gnutls: Add 'gnutls-dane'.

* gnu/packages/tls.scm (gnutls/dane): New variable.

Signed-off-by: Christopher Baines <mail@cbaines.net>

gnu: libreoffice: Update to 5.3.6.1.

* gnu/packages/libreoffice.scm (libreoffice): Update to 5.3.6.1.