gnu: Move pkg-config to native inputs.

* gnu/packages/xiph.scm (ao)[native-inputs]: Move pkg-config from
inputs.
* gnu/packages/xorg.scm (xf86-video-geode)[native-inputs]: Likewise.

Merge branch 'dbus-update'

Merge branch 'master' into dbus-update

gnu: Add xcompmgr.

* gnu/packages/xorg.scm (xcompmgr): New variable.

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

Merge branch 'master' into dbus-update

font-alias: Install dummy fonts.dir files.

* gnu/packages/xorg.scm (font-alias)[arguments]: New 'install-fonts-dir'
  phase.

gnu: Add xlsfonts.

* gnu/packages/xorg.scm (xlsfonts): New variable.

gnu: libpciaccess: Update to 0.13.4.

* gnu/packages/xorg.scm (libpciaccess): Update to 0.13.4.

Merge branch 'core-updates'

Merge branch 'master' into core-updates

gnu: python: Add "minimal" variants.

* gnu/packages/python.scm (python2-minimal, python-minimal): New
  variables.
  (wrap-python3): New procedure.
  (python-wrapper): Use it.
  (python-minimal-wrapper): New variable.
* gnu/packages/xml.scm (libxslt)[native-inputs]: Use
  PYTHON-MINIMAL-WRAPPER instead of PYTHON-WRAPPER.
* gnu/packages/xorg.scm (xcb-proto, libxcb, xorg-server): Likewise.

gnu: xterm: Update to 320.

* gnu/packages/xorg.scm (xterm): Update to 320.

Merge branch 'core-updates'

gnu: libxt: Add "doc" output.

* gnu/packages/xorg.scm (libxt)[outputs, arguments]: New fields.

gnu: libx11: Add "doc" output.

* gnu/packages/xorg.scm (libx11)[outputs, arguments]: New fields.

gnu: Add xcb-util-cursor.

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

Signed-off-by: Eric Bavier <bavier@member.fsf.org>

Merge branch 'master' into core-updates

gnu: Document xorg packages.

* gnu/packages/xorg.scm: Add/improve 'synopsis'/'description' fields of
  many packages.

Merge branch 'master' into gtk-rebuild

Conflicts:
	gnu/packages/gtk.scm

Merge branch 'master' into core-updates.