gnu: ucommon: Update to 6.1.11.

* gnu/packages/telephony.scm (ucommon): Update to 6.1.11.

gnu: libassuan: Update to 2.1.2.

* gnu/packages/gnupg.scm (libassuan): Update to 2.1.2.

Merge branch 'bash-cve-2014-6271'

gnu: Add scrot.

* gnu/packages/scrot.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

gnu: Add giblib.

* gnu/packages/image.scm (giblib): New variable.

gnu: Add imlib2.

* gnu/packages/image.scm (imlib2): New variable.

gnu: libtoxcore: Update to 1.0.0.

* gnu/packages/crypto.scm (libsodium): Update version and change home-page.

gnu: bash: Apply patch series up to 25 [CVE-2014-6271].

* gnu/packages/bash.scm (patch-url, bash-patch): New procedures.
  (patch-series): New macro.
  (%patch-series-4.3): New variable.
  (download-patches): New procedure.
  (bash): Change version to include the patch level; pass
  %PATCH-SERIES-4.3 in the origin.

gnu: bootstrap: Correctly handle patches that are origins.

* gnu/packages/bootstrap.scm (bootstrap-origin): Rewrite the patches of
  SOURCES that are also origins.

gnu: maxima: Update to 5.34.1 and add dependencies.

* gnu/packages/maths.scm (maxima): Update to 5.34.1 which fixes a bug in
  the plotting capabilities present in the previous version.  Add Gnuplot
  and Tcl/Tk to 'inputs'.

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

Use #:prefix instead of #:renamer with 'symbol-prefix-proc'.

* gnu/packages/abiword.scm, gnu/packages/admin.scm, gnu/packages/aidc.scm,
  gnu/packages/backup.scm, gnu/packages/bittorrent.scm,
  gnu/packages/boost.scm, gnu/packages/compression.scm,
  gnu/packages/cryptsetup.scm, gnu/packages/curl.scm,
  gnu/packages/cyrus-sasl.scm, gnu/packages/dc.scm, gnu/packages/emacs.scm,
  gnu/packages/fonts.scm, gnu/packages/fontutils.scm, gnu/packages/geeqie.scm,
  gnu/packages/ghostscript.scm, gnu/packages/gimp.scm,
  gnu/packages/gkrellm.scm, gnu/packages/gl.scm, gnu/packages/glib.scm,
  gnu/packages/gnome.scm, gnu/packages/gnunet.scm, gnu/packages/gnupg.scm,
  gnu/packages/gnutls.scm, gnu/packages/gnuzilla.scm, gnu/packages/gsasl.scm,
  gnu/packages/gtk.scm, gnu/packages/gv.scm, gnu/packages/image.scm,
  gnu/packages/indent.scm, gnu/packages/inkscape.scm,
  gnu/packages/lesstif.scm, gnu/packages/links.scm, gnu/packages/lisp.scm,
  gnu/packages/lsh.scm, gnu/packages/lsof.scm, gnu/packages/maths.scm,
  gnu/packages/mp3.scm, gnu/packages/openssl.scm, gnu/packages/ots.scm,
  gnu/packages/pciutils.scm, gnu/packages/pcre.scm, gnu/packages/pdf.scm,
  gnu/packages/pulseaudio.scm, gnu/packages/python.scm, gnu/packages/slim.scm,
  gnu/packages/ssh.scm, gnu/packages/texlive.scm, gnu/packages/vim.scm,
  gnu/packages/vpn.scm, gnu/packages/web.scm, gnu/packages/wv.scm,
  gnu/packages/xiph.scm, gnu/packages/xml.scm, gnu/packages/xorg.scm,
  gnu/packages/yasm.scm, gnu/packages/zip.scm,
  guix/build/cmake-build-system.scm, guix/build/perl-build-system.scm,
  guix/build/python-build-system.scm, guix/download.scm: Replaces uses of
  #:renamer and 'symbol-prefix-proc' with #:prefix.

gnu: gtk+: Disable tests on mips64el-linux.

* gnu/packages/gtk.scm (gtk+): Disable tests on mips64el-linux.

gnu: gtk+: Remove dependency on Xorg server on mips64el-linux.

Reported by Mark H. Weaver.

* gnu/packages/gtk.scm (gtk+)[native-inputs]: Remove XORG-SERVER on
  mips64el-linux.

gnu: xf86-input-synaptics: Allow building with libc 2.20.

* gnu/packages/patches/xf86-input-synaptics-glibc-2.20.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/xorg.scm (xf86-input-synaptics): Use it.  Improve
  synopsis and description.

gnu: node: Add 'which' as an input.

* gnu/packages/node.scm (node)[native-inputs]: Add WHICH.

gnu: xorg: Remove xf86-input-vmmouse.

* gnu/packages/xorg.scm (xf86-input-vmmouse): Remove.  This driver
  implement the mouse protocol of a proprietary emulator.
* gnu/services/xorg.scm (xorg-start-command): Remove reference.

gnu: linux-libre: Work around GCC 4.8.3 ICE.

* gnu/packages/linux.scm (linux-libre)[inputs]: New field.

Merge branch 'core-updates'

gnu: perl-tk: Build sequentially.

Fixes <http://bugs.gnu.org/18262>.

* gnu/packages/tcl.scm (perl-tk)[arguments]: Add #:parallel-build? #f.

gnu: valgrind: Update to 3.10.0.

* gnu/packages/valgrind.scm (valgrind): Update to 3.10.0.
* gnu/packages/patches/valgrind-glibc.patch: Remove.
* gnu-system.am (dist_patch_DATA): Adjust accordingly.