gnu: Fix misplaced commas (unquote).

Fix many occurrences of comma (unquote) being placed immediately after the
previous list item, e.g. ("ncurses", ncurses) in the inputs.

* gnu/packages/base.scm (patch, gnu-make),
  gnu/packages/bioinformatics.scm (hmmer),
  gnu/packages/bittorrent.scm (aria2),
  gnu/packages/compression.scm (pbzip2),
  gnu/packages/databases.scm (recutils),
  gnu/packages/fonts.scm (font-terminus),
  gnu/packages/freedesktop.scm (xdg-utils, elogind),
  gnu/packages/games.scm (gnujump),
  gnu/packages/gnome.scm (libidl, gnumeric, eog, gedit),
  gnu/packages/gnunet.scm (gnunet),
  gnu/packages/gnuzilla.scm (mozjs, nspr),
  gnu/packages/gtk.scm (gtksourceview, gdk-pixbuf),
  gnu/packages/lua.scm (lua),
  gnu/packages/openstack.scm (python-swiftclient),
  gnu/packages/perl.scm (perl-json-any),
  gnu/packages/polkit.scm (polkit-qt),
  gnu/packages/python.scm (wrap-python3, python-oauthlib)
  (python-mccabe-0.2.1, python-contextlib2, python2-rauth),
  gnu/packages/qt.scm (qtkeychain),
  gnu/packages/ruby.scm (ruby-nokogiri),
  gnu/packages/screen.scm (screen),
  gnu/packages/ssh.scm (libssh),
  gnu/packages/video.scm (ffmpeg, mplayer),
  gnu/packages/vim.scm (vim),
  gnu/packages/xdisorg.scm (redshift),
  gnu/packages/xfce.scm (xfce4-panel, xfce4-settings),
  gnu/packages/xnee.scm (xnee),
  gnu/packages/xorg.scm (font-adobe100dpi, font-adobe75dpi),
  gnu/packages/zsh.scm (zsh): Fix misplaced commas (unquote).

Revert "gnu: coreutils: Update URI for tail-inotify-race.patch."

This reverts commit 1a51cbc8251df5dbb6da05a58654c73f22eb3748.

gnu: coreutils: Update URI for tail-inotify-race.patch.

* gnu/packages/base.scm (coreutils)[source]: Update URI of patch.

gnu: glibc: Add fix for CVE-2015-7547.

* gnu/packages/patches/glibc-CVE-2015-7547.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/base.scm (glibc)[source]: Add patch.

Merge branch 'core-updates'

gnu: tzdata: Update to 2015g.

* gnu/packages/base.scm (tzdata): Update to 2015g.

gnu: grep: Skip timing-sensitive test.

This avoids failures on loaded machines as seen
at <http://hydra.gnu.org/build/906900/log/raw>.

* gnu/packages/patches/grep-timing-sensitive-test.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/base.scm (grep): Use it.

gnu: findutils: Update to 4.6.0.

* gnu/packages/patches/findutils-absolute-paths.patch: Remove.
* gnu/packages/patches/findutils-test-xargs.patch: New file.
* gnu-system.am (dist_patch_DATA): Adjust accordingly.
* gnu/packages/base.scm (findutils): Update to 4.6.0.  Remove
'findutils-absolute-paths.patch' and add 'findutils-test-xargs.patch'.

gnu: glibc: Remove timestamp from 'nscd' binary.

This makes libc bit-for-bit reproducible per '--rounds=2'.

* gnu/packages/base.scm (glibc)[arguments] <pre-configure>: Remove
__DATE__ and __TIME__ from nscd_stat.c.

gnu: grep: Add missing dependency on Perl.

* gnu/packages/base.scm (grep)[native-inputs]: New field.
* gnu/packages/commencement.scm (grep-final): Likewise.

Merge branch 'master' into core-updates

gnu: grep: Update to 2.22.

* gnu/packages/base.scm (grep): Upgrade to 2.22.  Remove
  'grep-CVE-2015-1345.patch'.
* gnu/packages/patches/grep-CVE-2015-1345.patch: Remove.
* gnu-system.am (dist_patch_DATA): Adjust accordingly.

gnu: glibc: Add version 2.21.

* gnu/packages/base.scm (glibc-2.21): New variable.

Merge branch 'core-updates'

gnu: glibc: Look for locale data in versioned sub-directories.

Suggested by Mark H Weaver <mhw@netris.org>.

* gnu/packages/patches/glibc-versioned-locpath.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/base.scm (glibc)[source]: Use it.
  [arguments]: Add explicit version sub-directory to
  libc_cv_localedir.
  [native-search-paths]: Use 'GUIX_LOCPATH' instead of 'LOCPATH'.
  (glibc-locales, glibc-utf8-locales): Write to a VERSION
  sub-directory.

Revert "gnu: glibc: Honor 'GUIX_LOCPATH'."

This reverts commits fbb909ac7e947ebc8aea2c2efca7df3a78dfc3c4
and 2ebe938c2f943232955df889a72a6280c412a649.

gnu: glibc-utf8-locales: Use the normalized codeset.

* gnu/packages/base.scm (glibc-utf8-locales)[argument]: Use the
  normalized codeset by default.

gnu: glibc: Look for locale data in versioned sub-directories.

* gnu/packages/base.scm (glibc)[native-search-paths]: Add
  'lib/locale/VERSION' for 'GUIX_LOCPATH'.
  (glibc-locales, glibc-utf8-locales): Write to a VERSION
  sub-directory.
* guix/profiles.scm (ca-certificate-bundle): Adjust LOCPATH value
  accordingly.

gnu: glibc: Honor 'GUIX_LOCPATH'.

* gnu/packages/patches/glibc-guix-locpath.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/base.scm (glibc)[source]: Use it.
  [native-search-paths]: Use 'GUIX_LOCPATH' instead of 'LOCPATH'.
* doc/guix.texi (Application Setup): Introduce the term "foreign
  distro".  Document 'GUIX_LOCPATH'.

gnu: coreutils: Use upstream's fix for 'tail'.

* gnu/packages/patches/coreutils-racy-tail-test.patch: Remove.
* gnu-system.am (dist_patch_DATA): Adjust accordingly.
* gnu/packages/base.scm (coreutils)[source]: Replace this patch with
  upstream's fix for 'tail'.