Merge branch 'core-updates'

Conflicts:
	gnu/packages/bootstrap.scm

gnu: Make libtool and libltdl completely separate.

* gnu/packages/autotools.scm (libtool)[outputs]: Remove.
  [arguments]: Remove 'if' around arguments.  Add #:configure-flags.
* gnu/packages/apr.scm (apr)[inputs]: Change libtool to libltdl.
* gnu/packages/fontutils.scm (libuninameslist)[native-inputs]: Remove
  "libtool-bin".
* gnu/packages/global.scm (global): Change libtool to libltdl.
* gnu/packages/gnunet.scm (libextractor, gnunet): Likewise.
* gnu/packages/graphviz.scm (graphviz): Likewise.
* gnu/packages/libcanberra.scm (libcanberra): Likewise.
* gnu/packages/libevent.scm (libuv)[native-inputs]: Remove "bin" part
  for libtool.
* gnu/packages/mail.scm (mailutils): Change libtool to libltdl.
  (libetpan): Remove "bin" part for libtool.
* gnu/packages/mp3.scm (libmp3splt): Change libtool to libltdl.
* gnu/packages/openldap.scm (openldap): Remove "bin" part of libtool.
  Move it from 'inputs' to 'native-inputs'.
* gnu/packages/photo.scm (libgphoto2): Change libtool to libltdl.
* gnu/packages/pulseaudio.scm (pulseaudio): Likewise.
* gnu/packages/ssh.scm (guile-ssh): Remove "bin" part of libtool.
* gnu/packages/web.scm (libpsl): Likewise.
* gnu/packages/weechat.scm (weechat): Move libtool to 'native-inputs'
  and add libltdl to 'inputs'.

gnu: Consolidate libjpeg, libpng, and libtiff into one module.

* gnu/packages/image.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add image.scm and remove libjpeg.scm,
  libpng.scm, and libtiff.scm.
* gnu/packages/libjpeg.scm, gnu/packages/libpng.scm, gnu/packages/libtiff.scm:
  Delete files.
* gnu/packages/emacs.scm gnu/packages/games.scm, gnu/packages/gd.scm,
  gnu/packages/geeqie.scm, gnu/packages/ghostscript.scm,
  gnu/packages/gimp.scm, gnu/packages/gnome.scm, gnu/packages/gnunet.scm,
  gnu/packages/gnustep.scm, gnu/packages/gnuzilla.scm,
  gnu/packages/graphviz.scm, gnu/packages/gtk.scm,
  gnu/packages/imagemagick.scm, gnu/packages/inkscape.scm,
  gnu/packages/netpbm.scm, gnu/packages/pdf.scm, gnu/packages/plotutils.scm,
  gnu/packages/qemu.scm, gnu/packages/qt.scm, gnu/packages/scheme.scm,
  gnu/packages/sdl.scm, gnu/packages/slim.scm, gnu/packages/tcl.scm,
  gnu/packages/texlive.scm, gnu/packages/video.scm, gnu/packages/xiph.scm,
  gnu/packages/xorg.scm: Use (gnu packages image) module.

gnu: Move numerous "inputs" which should be "native-inputs".

* gnu/packages/avahi.scm, gnu/packages/cdrom.scm, gnu/packages/cryptsetup.scm,
  gnu/packages/curl.scm, gnu/packages/emacs.scm, gnu/packages/fontutils.scm,
  gnu/packages/gdb.scm, gnu/packages/geeqie.scm, gnu/packages/ghostscript.scm,
  gnu/packages/glib.scm, gnu/packages/gnome.scm, gnu/packages/gnunet.scm,
  gnu/packages/gnupg.scm, gnu/packages/gnuzilla.scm, gnu/packages/graphviz.scm,
  gnu/packages/groff.scm, gnu/packages/gstreamer.scm, gnu/packages/gtk.scm,
  gnu/packages/gv.scm, gnu/packages/imagemagick.scm, gnu/packages/irssi.scm,
  gnu/packages/kde.scm, gnu/packages/libcanberra.scm, gnu/packages/libtiff.scm,
  gnu/packages/linux.scm, gnu/packages/lvm.scm, gnu/packages/mp3.scm,
  gnu/packages/netpbm.scm, gnu/packages/parted.scm, gnu/packages/pdf.scm,
  gnu/packages/pulseaudio.scm, gnu/packages/qemu.scm, gnu/packages/qt.scm,
  gnu/packages/ratpoison.scm, gnu/packages/rdf.scm, gnu/packages/slim.scm,
  gnu/packages/texlive.scm, gnu/packages/version-control.scm,
  gnu/packages/video.scm, gnu/packages/vpn.scm, gnu/packages/w3m.scm,
  gnu/packages/xml.scm, gnu/packages/xnee.scm, gnu/packages/xorg.scm,
  gnu/packages/zip.scm:  Move some build-time dependencies from `inputs' to
  `native-inputs'.

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

Merge branch 'master' into core-updates

Conflicts:
	gnu/packages/make-bootstrap.scm

gnu: graphviz: Fix typo.

* gnu/packages/graphviz.scm (graphviz): Fix typo in description.

gnu: Add Graphviz.

* gnu/packages/graphviz.scm: New file.
* Makefile.am (MODULES): Add it.