gnu: libarchive: Fix typo in 'libarchive-safe_fprintf-buffer-overflow.patch'.

* gnu/packages/patches/libarchive-safe_fprintf-buffer-overflow.patch:
Use correct URL in patch documentation.

build-system/perl: Don't create non-deterministic 'perllocal.pod' files.

* guix/build/perl-build-system.scm (configure): Add "NO_PERLLOCAL=1"
to Makefile.PL arguments.

gnu: mpfr: Update to 3.1.5.

* gnu/packages/multiprecision.scm (mpfr): Update to 3.1.5.

gnu: sed: Use 'modify-phases' syntax.

* gnu/packages/base.scm (sed)[arguments]: Use 'modify-phases' syntax.

gnu: grep: Update to 2.26.

* gnu/packages/base.scm (grep): Update to 2.26.

gnu: nettle: Update to 3.3.

* gnu/packages/nettle.scm (nettle): Update to 3.3.
[home-page]: Use https.

gnu: bash: Update to patch level 5.

* gnu/packages/bash.scm (%patch-url-seqno): Update for bash-4.4.
(%patch-series-4.4): Add patches 1 to 5.

gnu: icu4c: Use 'modify-phases' syntax.

* gnu/packages/icu4c.scm (icu4c)[arguments]: Use 'modify-phases' syntax.

gnu: icu4c: Update to 58.1.

* gnu/packages/icu4c.scm (icu4c): Update to 58.1.
[source]: Download from their website.
[arguments]: Remove extra bash replacement.

gnu: cyrus-sasl: Incorporate grafted patch.

* gnu/packages/cyrus-sasl.scm (cyrus-sasl)[source]: Use
'cyrus-sasl-CVE-2013-4122.patch'.
[replacement]: Remove field.
(cyrus-sasl/fixed): Remove variable.

Merge branch 'master' into core-updates

gnu: cyrus-sasl: Fix CVE-2013-4122.

* gnu/packages/patches/cyrus-sasl-CVE-2013-4122.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/cyrus-sasl.scm (cyrus-sasl)[replacement]: New field.
(cyrus-sasl/fixed): New variable.
[source]: Use patch.

gnu: ffmpeg: Update to 3.2.1.

* gnu/packages/video.scm (ffmpeg): Update to 3.2.1.

gnu: gst-plugins-good: Fix CVE-2016-{9634,9635,9636} and other security issues.

* gnu/packages/patches/gst-plugins-good-fix-crashes.patch,
gnu/packages/patches/gst-plugins-good-fix-invalid-read.patch,
gnu/packages/patches/gst-plugins-good-fix-signedness.patch,
gnu/packages/patches/gst-plugins-good-flic-bounds-check.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.
* gnu/packages/gstreamer.scm (gst-plugins-good): Use them.

services: Factorize configuration abstraction.

* gnu/services/mail.scm and gnu/services/cups.scm (&configuration-error)
(configuration-error, configuration-field-error)
(configuration-missing-field, configuration-field, serialize-configuration)
(validate-configuration, define-configuration, uglify-field-name)
(serialize-field, serialize-package, serialize-string)
(serialize-space-separated-string-list, space-separated-string-list?)
(serialize-file-name, file-name?, serialize-field-name)
(generate-documentation): Move duplicate code...
* gnu/services/configuration.scm: ...to this new file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add configuration.scm.

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

gnu: psyclpc: Update comment.

This is a followup to commit eaa45301f46f13a3f71bcae6089d312f31174801.

* gnu/packages/messaging.scm (psyclpc): Update comment.

gnu: Move content of (gnu packages psyc) into (gnu packages messaging).

* gnu/packages/psyc.scm (perl-net-psyc, libpsyc, psyclpc): Move this ...
* gnu/packages/messaging.scm (perl-net-psyc, libpsyc, psyclpc): ... here.
* gnu/local.mk (GNU_SYSTEM_MODULES): Remove psyc.scm.

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

gnu: psyclpc: Upgrade to 20160821-2.61cf9aa.

This makes the package reproducible.

* gnu/packages/psyc.scm (psyclpc): Upgrade to 20160821-2.61cf9aa.

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

gnu: python-flask: Update to 0.11.1.

* gnu/packages/python.scm (python-flask): Update to 0.11.1.
[native-inputs]: Add python-click.

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

gnu: python-pyopenssl: Update to 16.2.0.

* gnu/packages/python.scm (python-pyopenssl): Update to 16.2.0.

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