gnu: wireless-tools: Build shared library; remove non-free headers.

* gnu/packages/linux.scm (wireless-tools)[source]: Replace unneeded
  old snippet with a new one that removes non-free files.
  [arguments]: Use modify-phases.  Remove custom 'configure' phase.  Add
  make-flags.
  [license]: Change to (list gpl2 lgpl2.1+).

gnu: Add rfkill.

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

gnu: linux-libre: Update to 4.1.5.

* gnu/packages/linux.scm (linux-libre): Update to 4.1.5.

gnu: Remove linux-libre-4.0.

* gnu/packages/linux.scm (linux-libre-4.0): Remove.

gnu: linux-libre: Update to 4.1.4.

* gnu/packages/linux.scm (linux-libre): Update to 4.1.4.

gnu: e2fsprogs: Update to 1.42.13.

* gnu/packages/linux.scm (e2fsprogs): Update to 1.42.13.  Change the source
  URI to use the .tar.xz file from kernel.org.

gnu: Add extundelete.

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

Fix typos in translatable strings.

Reported by Anders Jonsson <anders.jonsson@norsjovallen.se>.

* gnu/packages/backup.scm, gnu/packages/databases.scm,
  gnu/packages/linux.scm, gnu/packages/perl.scm,
  gnu/packages/web.scm, guix/scripts/lint.scm,
  guix/scripts/publish.scm: Fix typos in translatable strings.

gnu: linux-libre: Update to 4.1.3 and 4.0.9.

* gnu/packages/linux.scm (linux-libre): Update to 4.1.3.
  (linux-libre-4.0): Update to 4.0.9.

Merge branch 'core-updates'

Merge branch 'master' into core-updates

gnu packages: Clean up synopses and descriptions.

* gnu/packages/admin.scm, gnu/packages/algebra.scm, gnu/packages/audio.scm,
  gnu/packages/backup.scm, gnu/packages/base.scm, gnu/packages/bittorrent.scm,
  gnu/packages/code.scm, gnu/packages/compression.scm,
  gnu/packages/databases.scm, gnu/packages/enchant.scm,
  gnu/packages/firmware.scm, gnu/packages/fonts.scm,
  gnu/packages/freedesktop.scm, gnu/packages/games.scm, gnu/packages/gd.scm,
  gnu/packages/gl.scm, gnu/packages/gnome.scm, gnu/packages/gsasl.scm,
  gnu/packages/gstreamer.scm, gnu/packages/gtk.scm, gnu/packages/guile.scm,
  gnu/packages/haskell.scm, gnu/packages/language.scm,
  gnu/packages/lesstif.scm, gnu/packages/libreoffice.scm,
  gnu/packages/linux.scm, gnu/packages/llvm.scm, gnu/packages/maths.scm,
  gnu/packages/mcrypt.scm, gnu/packages/mit-krb5.scm, gnu/packages/mp3.scm,
  gnu/packages/ncdu.scm, gnu/packages/networking.scm, gnu/packages/ntp.scm,
  gnu/packages/ocaml.scm, gnu/packages/openbox.scm, gnu/packages/pdf.scm,
  gnu/packages/perl.scm, gnu/packages/pretty-print.scm,
  gnu/packages/pulseaudio.scm, gnu/packages/python.scm,
  gnu/packages/rdesktop.scm, gnu/packages/rdf.scm, gnu/packages/ruby.scm,
  gnu/packages/slang.scm, gnu/packages/slim.scm, gnu/packages/telephony.scm,
  gnu/packages/tls.scm, gnu/packages/tmux.scm, gnu/packages/tre.scm,
  gnu/packages/unrtf.scm, gnu/packages/version-control.scm,
  gnu/packages/vpn.scm, gnu/packages/web.scm, gnu/packages/wget.scm,
  gnu/packages/xdisorg.scm, gnu/packages/xfce.scm, gnu/packages/xiph.scm:
  Fix typos.  Trim long lines.  Add missing periods in the end of sentences.
  Use double spaces between sentences.  Remove trailing whitespaces.

gnu: Add Linux-Libre 4.0.8.

* gnu/packages/linux.scm (linux-libre-4.0): New variable.

gnu: Add CRDA.

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

gnu: Add wireless-regdb.

* gnu/packages/linux.scm (wireless-regdb): New variable.

Merge branch 'master' into core-updates

gnu: util-linux: Fix file name of 'umount' in 'eject'.

Fixes <http://bugs.gnu.org/21010>.
Reported by Alex Sassmannshausen <alex.sassmannshausen@gmail.com>.

* gnu/packages/linux.scm (util-linux)[arguments]: Add 'set-umount-file-name'.

gnu: util-linux: Use 'modify-phases'.

* gnu/packages/linux.scm (util-linux)[arguments]: Use 'modify-phases' instead
  of 'alist-cons-before'.

gnu: sysfsutils-1: Remove --build from configure flags.

This is a followup to commit 3c7d023d6458669c6bfa23bc85e098c91f699892,
"build-system/gnu: Pass --build=<triplet> to configure by default"

* gnu/packages/linux.scm (sysfsutils-1)[arguments]: Remove field.

gnu: linux-libre: Update to 4.1.2.

* gnu/packages/linux.scm (linux-libre): Update to 4.1.2.