gnu: Add emacs-xelb.

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

Signed-off-by: Arun Isaac <arunisaac@systemreboot.net>

gnu: mate-themes: Update to 3.22.10.

* gnu/packages/mate.scm (mate-themes): Update to 3.22.10.

gnu: you-get: Update to 0.4.715.

* gnu/packages/video.scm (you-get): Update to 0.4.715.

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

Revert "gnu: nss, nss-certs: Update to 3.30.1."

This version fails to build on some architectures:

https://lists.gnu.org/archive/html/guix-devel/2017-04/msg00365.html
https://bugzilla.mozilla.org/show_bug.cgi?id=1351459

This reverts commit 96e98d51a7057b443a1c1b32046f8be6a1987a2f.

Revert "gnu: nss: Increase test timeouts."

This turned out to be a red herring:

https://lists.gnu.org/archive/html/guix-devel/2017-04/msg00365.html

This reverts commit a790f262074c94f6b7acb118fb22981d71f1722f.

gnu: Use netfilter mirror where applicable.

* gnu/packages/linux.scm (iptables, libmnl, libnftnl)[source]: Use
mirror://netfilter.org.

gnu: sshfs-fuse: Update to 2.9.

* gnu/packages/linux.scm (sshfs-fuse): Update to 2.9.
[home-page]: Point to new home page.

gnu: Add ponymix.

* gnu/packages/pulseaudio.scm (ponymix): New variable.

Signed-off-by: Leo Famulari <leo@famulari.name>

gnu: vis: Update to 0.3.

* gnu/packages/text-editors.scm (vis): Update to 0.3.
[arguments]: Remove #:make-flags.

Signed-off-by: Leo Famulari <leo@famulari.name>

gnu: capnproto: Update to 0.5.3.1 [security fixes].

See this document for more information about the security issues fixed in this
release:

<https://github.com/sandstorm-io/capnproto/blob/master/security-advisories/2017-04-17-0-apple-clang-elides-bounds-check.md>

* gnu/packages/serialization.scm (capnproto): Update to 0.5.3.1.

gnu: Add youtube-dl-gui.

* gnu/packages/video.scm (youtube-dl-gui): New variable.

Signed-off-by: Leo Famulari <leo@famulari.name>

gnu: icecat: Use system ICU.

* gnu/packages/gnuzilla.scm (icecat)[arguments] <#:configure-flags>: Remove
comment for "--with-system-icu".

gnu: icu4c: Fix crashes in programs using system ICU.

Fixes <http://bugs.gnu.org/26462>.

* gnu/packages/patches/icu4c-reset-keyword-list-iterator.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/icu4c.scm (icu4c)[replacement]: New field.
(icu4c/fixed): New variable.

gnu: go: Update to 1.8.1.

* gnu/packages/golang.scm (go-1.7): Replace with ...
(go-1.8): New variable.
[arguments]: Update substitutions in 'prebuild' phase.
(go): Update to go-1.8.

gnu: iptables: Update to 1.6.1.

* gnu/packages/linux.scm (iptables): Update to 1.6.1.
[source], [home-page]: Use HTTPS URLs.
[inputs]: Add libmnl and libnftnl.
[native-inputs]: Add bison, flex, and pkg-config.

gnu: Add libnftnl.

* gnu/packages/linux.scm (libnftnl): New variable.

gnu: Add libmnl.

* gnu/packages/linux.scm (libmnl): New variable.

gnu: v4l-utils: Update to 1.12.3.

* gnu/packages/video.scm (v4l-utils): Update to 1.12.3.
[native-inputs]: Add perl.

gnu: video: Always use HTTPS on videolan.org.

* gnu/packages/video.scm (libdca, libdvdread, libdvdnav, libdvdnav-4)
(libdvdcss)[source]: Use HTTPS.
(libdca, libdvdcss, libbdplus, libaacs)[home-page]: Likewise.

gnu: freedink-data: Update to 1.08.20170401.

* gnu/packages/games.scm (freedink-data): Update to 1.08.20170401.