gnu: gd: Add fix for gd2_read test.

* gnu/packages/patches/gd-fix-gd2-read-test.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/gd.scm (gd)[source]: Add patch.

gnu: wireshark: Update to 2.0.5.

* gnu/packages/networking.scm (wireshark): Update to 2.0.5.

gnu: perl-dbd-mysql: Update to 4.035 [fixes CVE-2015-8949].

* gnu/packages/databases.scm (perl-dbd-mysql): Update to 4.035.

gnu: linux-libre@4.4: Update to 4.4.16.

* gnu/packages/linux.scm (linux-libre-4.4): Update to 4.4.16.

gnu: gd: Update to 2.2.3 [fixes CVE-2016-6207].

* gnu/packages/patches/gd-CVE-2016-5766.patch,
gnu/packages/patches/gd-CVE-2016-6128.patch,
gnu/packages/patches/gd-CVE-2016-6132.patch,
gnu/packages/patches/gd-CVE-2016-6214.patch,
gnu/packages/patches/gd-fix-test-on-i686.patch: Delete files.
* gnu/packages/patches/gd-fix-tests-on-i686.patch: New file.
* gnu/local.mk (dist_patch_DATA): Update accordingly.
* gnu/packages/gd.scm (gd): Update to 2.2.3.
[source]: Update patches field accordingly.

gnu: virt-viewer: Remove SPICE-PROTOCOL from inputs.

This is a followup to ba9e2ee64a566d3bdaa93423a56d1fd613cef5f3.

* gnu/packages/spice.scm (virt-viewer)[inputs]: Remove SPICE-PROTOCOL.

gnu: spice-gtk: Remove LIBUSB from inputs.

This is a followup to 0d05a739d2c78e85bf358c4abdc719ebb3550f5a.

* gnu/packages/spice.scm (spice-gtk)[inputs]: Remove LIBUSB.

gnu: Order module imports in (gnu packages qemu) alphabetically.

* gnu/packages/qemu.scm: Order module imports alphabetically.

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

gnu: Add xf86-video-qxl.

* gnu/packages/xorg.scm (xf86-video-qxl): New variable.

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

gnu: Add libinput-minimal.

* gnu/packages/freedesktop.scm (libinput-minimal): New variable.

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

gnu: Remove trailing periods from synopsis.

* gnu/packages/emacs.scm (emacs-smart-mode-line): Update synopsis.
* gnu/packages/gnustep.scm (wmfire): Update synopsis.
* gnu/packages/haskell.scm (ghc-socks): Update synopsis.
* gnu/packages/kde-frameworks.scm (oxygen-icons): Update synopsis.
* gnu/packages/openstack.scm (python-bandit): Update synopsis.
* gnu/packages/perl.scm (perl-test-trap): Update synopsis.
* gnu/packages/python.scm (python-backports-abc): Update synopsis.
* gnu/packages/ruby.scm (python-cryptography-vectors): Update synopsis.

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

gnu: Use define-public to export packages.

* gnu/packages/bison.scm (bison): Define public.
* gnu/packages/flex.scm (flex): Define public.
* gnu/packages/pulseaudio.scm (libsndfile, libsamplerate, pulseaudio): Define
public.
* gnu/packages/sdl.scm (sdl, sdl2, libmikmod, sdl-gfx, sdl-image, sdl-mixer,
sdl-net, sdl-ttf): Define public.
* gnu/packages/search.scm (xapian): Remove unnecessary #:export.
* gnu/packages/swig.scm (swig): Define public.

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

gnu: iptables: Mention "firewall".

Suggested by ng0 <ng0@we.make.ritual.n0.is>.

* gnu/packages/linux.scm (iptables)[description]: Mention "firewall".

gnu: Add s6-networking.

* gnu/packages/skarnet.scm (s6-networking): New variable.

Signed-off-by: Eric Le Bihan <eric.le.bihan.dev@free.fr>
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add s6-dns.

* gnu/packages/skarnet.scm (s6-dns): New variable.

Signed-off-by: Eric Le Bihan <eric.le.bihan.dev@free.fr>
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add s6.

* gnu/packages/skarnet.scm (s6): New variable.

Signed-off-by: Eric Le Bihan <eric.le.bihan.dev@free.fr>
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: execline: Update to 2.1.5.0.

* gnu/packages/skarnet.scm (execline): Update to 2.1.5.0.

Signed-off-by: Eric Le Bihan <eric.le.bihan.dev@free.fr>
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: skalibs: Update to 2.3.10.0.

* gnu/packages/skarnet.scm (skalibs): Update to 2.3.10.0.

Signed-off-by: Eric Le Bihan <eric.le.bihan.dev@free.fr>
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

gnu: Add stellarium.

* gnu/local.mk: Include gnu/packages/education.scm .
* gnu/packages/education.scm: Add new file.
* gnu/packages/education.scm (stellarium): New variable.

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

gnu: spice-gtk: Propagate SPICE-PROTOCOL.

* gnu/packages/spice.scm (spice-gtk)[inputs]: Move SPICE-PROTOCOL to...
[propagated-inputs]: ... here.