gnu: bigloo: Use Emacs with X11 support.

* gnu/packages/scheme.scm (bigloo)[inputs]: Change EMACS-NO-X to EMACS.

gnu: Use emacs-no-x when we just want to byte-compile code.

* gnu/packages/code.scm (cflow)[native-inputs]: Change EMACS to
  EMACS-NO-X.
* gnu/packages/databases.scm (recutils): Likewise.
* gnu/packages/emacs.scm (geiser, paredit, magit, emacs-w3m, emacs-wget,
  emms, bbdb): Likewise.
* gnu/packages/idutils.scm (idutils): Likewise.
* gnu/packages/mail.scm (mu): Likewise.
* gnu/packages/package-management.scm (guix-0.8.1): Likewise.
* gnu/packages/scheme.scm (bigloo): Likewise.
* gnu/packages/version-control.scm (vc-dwim): Likewise.

gnu: Move 'which' to (gnu packages base).

* gnu/packages/which.scm: Remove.
* gnu-system.am (GNU_SYSTEM_MODULES): Remove it.
* gnu/packages/base.scm (which): New variable.
* gnu/packages/aspell.scm, gnu/packages/audio.scm,
  gnu/packages/autogen.scm, gnu/packages/cdrom.scm,
  gnu/packages/compression.scm, gnu/packages/datamash.scm,
  gnu/packages/games.scm, gnu/packages/glib.scm,
  gnu/packages/gnu-pw-mgr.scm, gnu/packages/gnutls.scm,
  gnu/packages/gps.scm, gnu/packages/guile.scm,
  gnu/packages/java.scm, gnu/packages/libevent.scm,
  gnu/packages/linux.scm, gnu/packages/lisp.scm,
  gnu/packages/node.scm, gnu/packages/ntp.scm,
  gnu/packages/orpheus.scm, gnu/packages/pciutils.scm,
  gnu/packages/python.scm, gnu/packages/qt.scm,
  gnu/packages/rsync.scm, gnu/packages/sawfish.scm,
  gnu/packages/scheme.scm, gnu/packages/ssh.scm,
  gnu/packages/statistics.scm, gnu/packages/texlive.scm,
  gnu/packages/wdiff.scm: Adjust accordingly.

Merge branch 'master' into core-updates

gnu: Add chibi-scheme.

* gnu/packages/scheme.scm (chibi-scheme): New variable.

gnu: Add gambit-c.

* gnu/packages/scheme.scm (gambit-c): New variable.

gnu: racket: Add MIPS back to supported-systems.

* gnu/packages/scheme.scm (racket)[supported-systems]: Remove field.

gnu: racket: Update to 6.1.1.

* gnu/packages/scheme.scm (racket): Update to 6.1.1.  Adjust URI.
  [inputs]: Add FONTCONFIG and SQLITE.

gnu: chicken: Update to 4.9.0.1.

* gnu/packages/scheme.scm (chicken): Update to 4.9.0.1.

gnu: Re-synchronize a couple of synopses with the Womb.

* gnu/packages/lisp.scm (gcl): Synchronize synopsis.
* gnu/packages/scheme.scm (mit-scheme): Ditto.

gnu: mit-scheme: Fix typo in 'supported-systems'.

* gnu/packages/scheme.scm (mit-scheme)[supported-systems]: Correct
  spelling of "mips64el-linux".

gnu: Mark a few packages as unsupported on MIPS.

* gnu/packages/gprolog.scm (gprolog): Add 'supported-systems' field.
* gnu/packages/qemu.scm (qemu-headless): Likewise.
* gnu/packages/qt.scm (qt): Likewise.
* gnu/packages/scheme.scm (racket): Likewise.

gnu: Some cleanup based on lint checkers.

* gnu/packages/admin.scm, gnu/packages/aidc.scm, gnu/packages/algebra.scm,
  gnu/packages/apr.scm, gnu/packages/avahi.scm, gnu/packages/backup.scm,
  gnu/packages/base.scm, gnu/packages/calcurse.scm, gnu/packages/cdrom.scm,
  gnu/packages/check.scm, gnu/packages/compression.scm, gnu/packages/cook.scm,
  gnu/packages/crypto.scm, gnu/packages/cryptsetup.scm, gnu/packages/curl.scm,
  gnu/packages/cyrus-sasl.scm, gnu/packages/databases.scm,
  gnu/packages/doxygen.scm, gnu/packages/dwm.scm, gnu/packages/elf.scm,
  gnu/packages/emacs.scm, gnu/packages/feh.scm, gnu/packages/file.scm,
  gnu/packages/fish.scm, gnu/packages/flex.scm, gnu/packages/fltk.scm,
  gnu/packages/fontutils.scm, gnu/packages/games.scm, gnu/packages/gcal.scm,
  gnu/packages/gcc.scm, gnu/packages/geeqie.scm, gnu/packages/ghostscript.scm,
  gnu/packages/gimp.scm, gnu/packages/gl.scm, gnu/packages/glib.scm,
  gnu/packages/gnome.scm, gnu/packages/gnunet.scm, gnu/packages/gnupg.scm,
  gnu/packages/gperf.scm, gnu/packages/grub.scm, gnu/packages/gsasl.scm,
  gnu/packages/gtk.scm, gnu/packages/guile-wm.scm, gnu/packages/guile.scm,
  gnu/packages/hurd.scm, gnu/packages/icu4c.scm, gnu/packages/image.scm,
  gnu/packages/imagemagick.scm, gnu/packages/irssi.scm, gnu/packages/kde.scm,
  gnu/packages/libdaemon.scm, gnu/packages/libevent.scm,
  gnu/packages/libidn.scm, gnu/packages/libusb.scm, gnu/packages/linux.scm,
  gnu/packages/lout.scm, gnu/packages/lsh.scm, gnu/packages/lsof.scm,
  gnu/packages/lua.scm, gnu/packages/maths.scm, gnu/packages/mcrypt.scm,
  gnu/packages/mp3.scm, gnu/packages/netpbm.scm, gnu/packages/noweb.scm,
  gnu/packages/ocaml.scm, gnu/packages/openssl.scm, gnu/packages/pcre.scm,
  gnu/packages/pdf.scm, gnu/packages/pkg-config.scm,
  gnu/packages/pretty-print.scm, gnu/packages/python.scm, gnu/packages/qt.scm,
  gnu/packages/rsync.scm, gnu/packages/scheme.scm, gnu/packages/scrot.scm,
  gnu/packages/sdl.scm, gnu/packages/skribilo.scm, gnu/packages/ssh.scm,
  gnu/packages/stalonetray.scm, gnu/packages/tcl.scm, gnu/packages/tcsh.scm,
  gnu/packages/telephony.scm, gnu/packages/texlive.scm, gnu/packages/tor.scm,
  gnu/packages/valgrind.scm, gnu/packages/version-control.scm,
  gnu/packages/vim.scm, gnu/packages/vpn.scm, gnu/packages/w3m.scm,
  gnu/packages/web.scm, gnu/packages/wordnet.scm, gnu/packages/xiph.scm,
  gnu/packages/xml.scm, gnu/packages/xorg.scm, gnu/packages/zile.scm,
  gnu/packages/zip.scm, gnu/packages/zsh.scm [synopsis, description]: Adjust
  according to lint checkers.
* gnu/packages/fltk.scm (fltk)[source]: Wrap long line in uri.
* /gnu/packages/xiph.scm (libogg, libtheora, vorbis-tools)[source]: Same.

gnu: mit-scheme: Restrict to non-MIPS systems.

* gnu/packages/scheme.scm (mit-scheme)[supported-systems]: New field.

gnu: mit-scheme: Rename top-level helper.

Suggested by Mark H. Weaver.

* gnu/packages/scheme.scm (source-directory): Rename to...
  (mit-scheme-source-directory): ... this.

gnu: mit-scheme: Delete more dangling symlinks for non-x86 systems.

* gnu/packages/scheme.scm (mit-scheme): Delete more dangling symlinks for
    non-x86 systems.

gnu: mit-scheme: Fix source file name for mips64el.

* gnu/packages/scheme.scm (mit-scheme): Fix source file name for
     architectures other than x86_64 and i686.

gnu: mit-scheme: Update to 9.2.

* gnu/packages/scheme.scm (mit-scheme): Update to 9.2.

Merge branch 'master' into core-updates

Conflicts:
	gnu-system.am

gnu: Adjust synopses as recommended by 'guix lint'.

Remove leading articles and trailing periods in package synopses.