* gnu/packages/qt.scm (qt): New variable.

* gnu/packages/gtk.scm (cairomm): New variable.

* AUTHORS: Add Alex, Joshua, and Aljosha.

* gnu/packages/linux.scm (alsa-utils): New variable.

* gnu/packages/xml.scm (xmlto): Add 'arguments' field.
  [inputs]: Add libxml2 and libxslt.

* gnu/packages/base.scm (linux-libre-headers-boot0): Turn into a thunk.
  User updated.

* gnu/packages/algebra.scm (pari-gp): Update to 2.5.5.

* gnu/packages/mail.scm (mutt): Add input gpgme.

* gnu/packages/gnupg.scm (gpgme): New variable.

* gnu/packages/icu4c.scm (icu4c): Elf-patch RUNPATH of libraries, for instance
    of libicuuc.so.

* gnu/packages/cdrom.scm (cdparanoia): Use patchelf to link internal libraries
    into binary.

* gnu/packages/glib.scm (libsigc++, glibmm): New variable.

* gnu/packages/glib.scm: Export 'gobject-instrospection' via the
  #:export clause.

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

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

* gnu/packages/oggvorbis.scm (ao): Add PulseAudio as an input.

* gnu/packages/oggvorbis.scm: Use #:export clause instead of
  'define-public'.

* gnu/packages/pulseaudio.scm (pulseaudio): Add dependency on libcap.

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

* guix/download.scm (%mirrors)[debian]: New set of mirrors.

* gnu/packages/gnupg.scm (gnupg): Update to 2.0.22. This release fixes
  security issue CVE-2013-4402 in the OpenPGP packet parser.

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

* gnu/packages/algebra.scm (fftw): New variable.

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

* gnu/packages/xorg.scm (xcb-util-renderutil): New variable.

* gnu/packages/xorg.scm (xcb-util-keysyms): New variable.

* gnu/packages/xorg.scm (xcb-util-image): New variable.

* gnu/packages/xorg.scm (xcb-util): New variable.
* gnu/packages/xorg.scm (xcb-util-wm): Expand the description.

* gnu/packages/xorg.scm (xcb-util-wm): New variable.

* gnu/packages/system.scm (netcat): New variable.

* guix/monads.scm (<monad>): Turn in a raw SRFI-9 record type.
  (define-monad): New macro.
  (with-monad): Add a case for when MONAD is a macro.
  (identity-return, identity-bind, store-return, store-bind): Inline.
  (%identity-monad, %store-monad): Use 'define-monad'.
* tests/monads.scm ("monad?"): New test.

* gnu/system/dmd.scm (host-name-service, nscd-service, mingetty-service,
  syslog-service, guix-service, static-networking-service): Rewrite as
  monadic functions.
  (dmd-configuration-file): Use 'text-file' instead of
  'add-text-to-store'.
* gnu/system/grub.scm (grub-configuration-file): Rewrite as a monadic
  function.
* gnu/system/linux.scm (pam-services->directory): Likewise.
* gnu/system/shadow.scm (group-file, passwd-file, guix-build-accounts):
  Likewise.
* gnu/system/vm.scm (expression->derivation-in-linux-vm, qemu-image,
  union, system-qemu-image): Likewise.

* guix/monads.scm: New file.
* tests/monads.scm: New file.
* Makefile.am (MODULES): Add guix/monads.scm.
  (SCM_TESTS): Add tests/monads.scm.
* doc/guix.texi (The Store Monad): New node.
  (The Store): Reference it.

* gnu/packages/xorg.scm (libxcb): Add configure flag "--enable-xkb".

* gnu/packages/gnome.scm (brasero): New variable; not totally usable due to
    lacking inputs.

* gnu/packages/gnome.scm (hicolor-icon-theme): New variable.

* gnu/packages/gnome.scm (gnome-icon-theme): New variable.

* gnu/packages/gnome.scm (icon-naming-utils): New variable.

* gnu/packages/xml.scm (perl-xml-simple): New variable.

* gnu/packages/gnome.scm (gsettings-desktop-schemas): New variable.