gnu: Add python2-couleur.

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

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: Add python-sure.

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

Signed-off-by: Marius Bakke <mbakke@fastmail.com>

gnu: kodi: Update to 18.0_alpha-6-f22d62d.

* gnu/packages/kodi.scm (kodi): Update to 18.0_alpha-6-f22d62d.

gnu: Add git-repo.

* gnu/packages/android.scm (git-repo): New variable.

gnu: vlc: Use libdvbpsi.

* gnu/packages/video.scm (vlc)[inputs]: Add libdvbpsi.

gnu: Add libdvbpsi.

* gnu/packages/video.scm (libdvbpsi): New variable.

gnu: vlc: Use livemedia-utils.

* gnu/packages/video.scm (vlc)[inputs]: Add livemedia-utils.
[native-inputs]: Add autoconf, automake and libtool.
[arguments]: Add bootstrap and fix-livemedia-utils-prefix phases.

gnu: Add livemedia-utils.

* gnu/packages/video.scm (livemedia-utils): New variable.

scripts: refresh: Add -m manifest option.

* guix/scripts/refresh.scm (%options): Add -m option,
(show-help): document it,
(packages-from-manifest): new procedure,
(guix-refresh): use packages from manifest if specified, otherwise
keep the previous behaviour.
* doc/guix.texi (Invoking guix refresh): document new option.

gnu: mes: Update to 0.7.

* gnu/packages/mes.scm (mes): Update to 0.7.

gnu: nyacc: Update to 0.79.4.

* gnu/packages/mes.scm (nyacc): Update to 0.79.4.

gnu: qemu: Fix CVE-2017-{8112,8309,8379,8380}.

* gnu/packages/patches/qemu-CVE-2017-8112.patch,
gnu/packages/patches/qemu-CVE-2017-8309.patch,
gnu/packages/patches/qemu-CVE-2017-8379.patch,
gnu/packages/patches/qemu-CVE-2017-8380.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/qemu.scm (qemu)[source]: Use them.

gnu: libgit2: Fix Clar test framework.

This commit reverts 'patch' hack introduced in
a48a1071a686b250bf8b7982ca0ce8dda1d93c61 and fixes bug in the Clar test
framework.

Patch is proposed to Clar upstream as
<https://github.com/vmg/clar/pull/78>.

* gnu/local.mk: Add libgit2-0.25.1-mtime-0.patch.
* gnu/packages/patches/libgit2-0.25.1-mtime-0.patch: New file.
* gnu/packages/version-control.scm (libgit2)[arguments]:
Remove 'apply-patch' phase.
[inputs]: Remove "patch".
[source]: Add 'patches' field.

Signed-off-by: Sergei Trofimovich <slyfox@inbox.ru>
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

daemon: Add '--timeout' and '--max-silent-time'.

* nix/nix-daemon/guix-daemon.cc (GUIX_OPT_TIMEOUT)
(GUIX_OPT_MAX_SILENT_TIME): New macros.
* nix/nix-daemon/guix-daemon.cc (options): Add '--timeout' and
'--max-silent-time'.
(parse_opt): Honor them.
* tests/guix-daemon.sh: Add test.
* doc/guix.texi (Invoking guix-daemon): Document the options.
(Common Build Options): Properly describe default
timeout/max-silent-time value.  Add cross-ref to "Invoking
guix-daemon".

gnu: Add cataclysm-dda.

* gnu/packages/games.scm (cataclysm-dda): New variable.

gnu: allegro: Update to 5.2.2.0.

* gnu/packages/game-development.scm (allegro): Update to 5.2.2.0.

gnu: allegro: Update source uris.

* gnu/packages/game-development.scm (allegro@5.2, allegro@5.0,
allegro@4.4)[source]: Update source uris.

file-systems: Improve error handling in the iso9660 case - fixes boot problem.

* gnu/build/file-systems.scm (read-iso9660-superblock): Modify.

gnu: freeciv: Update to 2.5.7.

* gnu/packages/games.scm (freeciv): Update to 2.5.7.
[source]: Update uri list.

gnu: Remove old vtk module dependence in image-processing.scm.

* gnu/packages/image-processing.scm: Remove old vtk module dependence.