gnu: icecat: Add fixes for CVE-2016-{2818,2819,2821,2824,2828,2831}.

* gnu/packages/patches/icecat-CVE-2016-2818-pt1.patch,
gnu/packages/patches/icecat-CVE-2016-2818-pt2.patch,
gnu/packages/patches/icecat-CVE-2016-2818-pt3.patch,
gnu/packages/patches/icecat-CVE-2016-2818-pt4.patch,
gnu/packages/patches/icecat-CVE-2016-2818-pt5.patch,
gnu/packages/patches/icecat-CVE-2016-2818-pt6.patch,
gnu/packages/patches/icecat-CVE-2016-2818-pt7.patch,
gnu/packages/patches/icecat-CVE-2016-2818-pt8.patch,
gnu/packages/patches/icecat-CVE-2016-2818-pt9.patch,
gnu/packages/patches/icecat-CVE-2016-2819.patch,
gnu/packages/patches/icecat-CVE-2016-2821.patch,
gnu/packages/patches/icecat-CVE-2016-2824.patch,
gnu/packages/patches/icecat-CVE-2016-2828.patch,
gnu/packages/patches/icecat-CVE-2016-2831.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/gnuzilla.scm (icecat)[source]: Add patches.

gnu: libvpx: Add fix for CVE-2016-2818.

* gnu/packages/patches/libvpx-CVE-2016-2818.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/video.scm (libvpx)[source]: Add patch.

publish: Encore URIs that appear in narinfos.

Fixes <http://bugs.gnu.org/21888>.
Reported by iyzsong@member.fsf.org (宋文武).

* guix/scripts/publish.scm (narinfo-string): Use
'encode-and-join-uri-path' instead of 'string-append' to compute URL.
* tests/publish.scm ("/*.narinfo with properly encoded '+' sign"):
("/nar/ with properly encoded '+' sign"): New tests.

gnu-maintenance: Replace 'find-packages' with 'find-package' (singular).

Fixes <http://bugs.gnu.org/23718>.
Reported by Efraim Flashner <efraim@flashner.co.il>.

* guix/gnu-maintenance.scm (find-packages): Remove.
(find-package): New procedure.
* guix/import/gnu.scm (gnu->guix-package): Use 'find-package' instead of
'find-packages' and adjust accordingly.

doc: Add missing quotes in wpa_supplicant example.

Reported by Kete Foy <kete@ninthfloor.org>.

* doc/guix.texi (Preparing for Installation): Add quotes in
wpa_supplicant example.

gnu: vlc: Update to 2.2.4 [fixes CVE-2016-5108].

* gnu/packages/video.scm (vlc): Update to 2.2.4.
[inputs]: Remove qt, add qtbase.
[arguments]: Add phase to disable display test.

gnu: Add ruby-concurrent.

* gnu/packages/ruby.scm (ruby-concurrent): New variable.
* gnu/packages/patches/ruby-concurrent-ignore-broken-test.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

gnu: Add ruby-timecop.

* gnu/packages/ruby.scm (ruby-timecop): New variable.

gnu: ruby-activesupport: Add 'ruby-tzinfo-data' propagated input.

* gnu/packages/ruby.scm (ruby-activesupport)[propagated-inputs]: Add
'ruby-tzinfo-data'.

gnu: Add ruby-tzinfo-data.

* gnu/packages/ruby.scm (ruby-tzinfo-data): New variable.
* gnu/packages/patches/ruby-tzinfo-data-ignore-broken-test.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.

gnu: libressl: Update to 2.3.5.

* gnu/packages/tls.scm (libressl): Update to 2.3.5.

gnu: Add higan.

* gnu/packages/games.scm (higan): New variable.

gnu: Add python-ply.

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

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

gnu: Add font-hack.

* gnu/packages/fonts.scm (font-hack): New variable.

Signed-off-by: 宋文武 <iyzsong@gmail.com>

gnu: java-swt: Use 64-bit archive on x86_64.

* gnu/packages/java.scm (java-swt)[source]: Use separate source archive
for x86_64.

bournish: Allow compilation of multiple expressions.

* guix/build/bournish.scm (%bournish-language): Add a joiner to SCHEME.
Compile only to Scheme.
* tests/bournish.scm: New file.
* Makefile.am (SCM_TESTS): Add it.

bournish: Handle EOF in the reader.

* guix/build/bournish.scm (read-bournish): Add case for EOF.

gnu: Add ghc-wl-pprint.

* gnu/packages/haskell.scm (ghc-wl-pprint): New variable.

gnu: Add ghc-union-find.

* gnu/packages/haskell.scm (ghc-union-find): New variable.

gnu: Add ghc-indents.

* gnu/packages/haskell.scm (ghc-indents): New variable.