gnu: numactl: Remove unsupported system armhf-linux.

* gnu/packages/linux.scm (numactl)[supported-systems]: Remove armhf.

gnu: Remove linux-libre-4.2.5.

This series is no longer supported upstream.

* gnu/packages/linux.scm (linux-libre-4.2.5): Remove variable.

gnu: pius: Update to 2.2.2.

* gnu/packages/gnupg.scm (pius): Update to 2.2.2.

gnu: gnupg: Update to 2.1.11.

* gnu/packages/gnupg.scm (gnupg): Update to 2.1.11.

gnu: ao: Update to 1.2.0.

* gnu/packages/xiph.scm (ao): Update to 1.2.0.

syscalls: 'all-network-interface-names' accepts non-alphanumeric characters.

This fixes interfaces with a dash or other characters being ignored.
Suggested by Jookia <166291@gmail.com>.

* guix/build/syscalls.scm (%interface-line): Use [[:graph:]] instead
of [[:alnum:]].

system: /etc/profile reads /etc/environment for the sake of lshd.

Fixes <http://bugs.gnu.org/22175>.

* gnu/system.scm (operating-system-etc-service)[profile]: Add hack to
define variables from /etc/environment.

gnu: Add Italian Aspell dictionary.

* gnu/packages/aspell.scm (aspell-dict-it): New variable.

gnu: sbcl: Generate and install documentation.

* gnu/packages/lisp.scm (sbcl): Add 'doc' output.
  [arguments]: Add 'build-doc' and 'install-doc' phases.
  [native-inputs]: Add 'texlive' and 'texinfo'.

gnu: sbcl: Convert to the 'modify-phases' syntax.

* gnu/packages/lisp.scm (sbcl): Do it.

gnu: Add emacs-slime.

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

gnu: mit-scheme: Generate and install documentation.

* gnu/packages/scheme.scm (mit-scheme): Add 'doc' output.
  [arguments]: Add phases 'configure-doc, 'build-doc and 'install-doc.
  [native-inputs]: Add 'texlive'. Move 'texinfo' and 'm4' from inputs.

gnu: mit-scheme: Convert to the 'modify-phases' syntax.

* gnu/packages/scheme.scm (mit-scheme): Do it.

gnu: Add emacs-constants.

* gnu/packages/emacs.scm (emacs-constants): New variable.
* gnu/packages/patches/emacs-constants-lisp-like.patch: New patch.
* gnu-system.am (dist_patch_DATA): Add it.

gnu: Add emacs-mit-scheme-doc.

* gnu/packages/emacs.scm (emacs-mit-scheme-doc): New variable.

gnu: scmutils: Generate 'scmutils-autoloads.el' file.

* gnu/packages/scheme.scm (scmutils): Do it.

gnu: Add emacs-scheme-complete.

* gnu/packages/emacs.scm (emacs-scheme-complete): New variable.
* gnu/packages/patches/emacs-scheme-complete-scheme-r5rs-info.patch: New patch.
* gnu-system.am (dist_patch_DATA): Add the new patch.

gnu: qemu: Update to 2.5.0; add fixes for security flaws.

* gnu/packages/patches/qemu-CVE-2015-6855.patch: Delete file.
* gnu/packages/patches/qemu-virtio-9p-use-accessor-to-get-thread-pool.patch,
  gnu/packages/patches/qemu-CVE-2015-8558.patch,
  gnu/packages/patches/qemu-CVE-2015-8567.patch,
  gnu/packages/patches/qemu-CVE-2015-8613.patch,
  gnu/packages/patches/qemu-CVE-2015-8701.patch,
  gnu/packages/patches/qemu-CVE-2015-8743.patch,
  gnu/packages/patches/qemu-CVE-2016-1568.patch,
  gnu/packages/patches/qemu-CVE-2016-1922.patch: New files.
* gnu-system.am (dist_patch_DATA): Remove 'qemu-CVE-2015-6855.patch'; add the
  new patches.
* gnu/packages/qemu.scm (qemu): Update to 2.5.0.
  [source]: Remove old patches and add new ones.
  [arguments]: Add 'disable-test-qga' phase.
  (%glib-memory-vtable-patch, %glib-duplicate-test-patch): Remove variables.

gnu: openssl: When computing URI, use 'string-trim-right' not 'string-take'.

* gnu/packages/tls.scm (openssl)[source]: When computing URI, use
  'string-trim-right' instead of 'string-take'.

gnu: yelp: Update to 3.18.1.

* gnu/packages/gnome.scm (yelp): Update to 3.18.1.