gnu: Add caja-extensions.

* gnu/packages/mate.scm (caja-extensions): New variable.

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

gnu: mate-session-manager: Configure with with elogind support.

* gnu/packages/mate.scm (mate-session-manager)[arguments]: Add '--enable-elogind'
to configure-flags.
(phases): Add 'pre-configure' phase.

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

gnu: Add mate-user-guide.

* gnu/packages/mate.scm (mate-user-guide): New variable.

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

gnu: youtube-dl: Update to 2017.12.31.

* gnu/packages/video.scm (youtube-dl): Update to 2017.12.31.

gnu: edi: Update to 0.6.0.

* gnu/packages/enlightenment.scm (edi): Update to 0.6.0.
[source]: Download from enlightenment's website.
[tests]: Disable tests.
[native-inputs]: Remove check, lcov.

gnu: Add emacs-php-mode.

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

gnu: linux-libre: Update to 4.14.10.

* gnu/packages/linux.scm (%linux-libre-version): Update to 4.14.10.
(%linux-libre-hash): Update hash.

gnu: linux-libre@4.9: Update to 4.9.73.

* gnu/packages/linux.scm (linux-libre-4.9): Update to 4.9.73.

gnu: borg: Update to 1.1.4.

* gnu/packages/backup.scm (borg): Update to 1.1.4.
[source]: Remove obsolete patch.  Remove bundled lz4 and zstd.
[inputs]: Add zstd.
[arguments]: Build with input versions of lz4 and zstd.
* gnu/packages/patches/borg-fix-archive-corruption-bug.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

gnu: youtube-dl: Update to 2017.12.28.

* gnu/packages/video.scm (youtube-dl): Update to 2017.12.28.

gnu: python-lit: Fix tests.

* gnu/packages/check.scm (python-lit)[native-inputs]: Add python-pytest.

gnu: tremc: Update to 0.9.0-2.e06d08d.

* gnu/packages/bittorrent.scm (tremc): Update to 0.9.0-2.e06d08d.
[build-system]: Switch to the gnu-build-system.
[arguments]: Adjust accordingly.

gnu: rage: Update to 0.3.0.

* gnu/packages/enlightenment.scm (rage): Update to 0.3.0.
[build-system]: Switch to meson build system.

tests: networking: Add tests for Open vSwitch.

* gnu/tests/networking.scm (openvswitch-configuration-service,
%openvswitch-os): New variables.
(setup-openvswitch, run-openvswitch-test): New procedures.
(%test-openvswitch): New public variable.

services: networking: Add a dependency override mechanism to <static-networking>.

* gnu/services/networking.scm (<static-networking>)[requirement]: New field.
(static-networking-shepherd-service): Don't override requirement for loopback.
(static-networking-service): Expose 'requirement' parameter.  Default to UDEV.
* gnu/services/base.scm (%base-services): Add (requirement '()) for loopback service.
* doc/guix.texi (Networking Services): Document it.

gnu: ledger-agent: Escape '@' symbols in description.

Fixes a Texinfo syntax error introduced in d596fea5fd6cbcd98f1bc185817f2ae9d82060a9.
Reported by Fis Trivial in <https://bugs.gnu.org/29879>.

* gnu/packages/finance.scm (ledger-agent)[description]: Escape '@'.

gnu: lynx: Update to 2.8.9dev.16 [fixes CVE-2017-1000211].

* gnu/packages/web-browsers.scm (lynx): Update to 2.8.9dev.16.
[arguments]: Patch the path of the shell in the translations makefile.

gnu: imagemagick: Update to 6.9.9-30.

* gnu/packages/imagemagick.scm (imagemagick): Update to 6.9.9-30.

gnu: qemu: Update home-page.

* gnu/packages/virtualization.scm (qemu)[home-page]: Update URL.

gnu: qemu: Add wrapper for Samba.

* gnu/packages/virtualization.scm (qemu)[arguments]: Change #:configure-flags to
a list, add --smbd flag. Add 'create-samba-wrapper phase.