Merge branch 'master' into core-updates.

Merge branch 'wip-glib' into master.

Conflicts:
	gnu/packages/package-management.scm

Remove all the 'CC=gcc' hacks for 'g-ir-scanner'.

* gnu/packages/glib.scm (telepathy-glib)[arguments]: Remove.
* gnu/packages/gtk.scm (at-spi2-core, gtk+-2): Remove #:make-flags.
* gnu/packages/gnome.scm (libpeas, librsvg, vala, vte, json-glib,
  libxklavier, libsoup, libsecret, colord, geocode-glib, libgweather):
  Remove #:make-flags or the '(setenv "CC" "gcc")' phase.

gnu: python-pygobject: Update to 3.16.1.

* gnu/packages/glib.scm (python-pygobject): Update to 3.16.1.

gnu: glibmm: Update to 2.44.0.

* gnu/packages/glib.scm (glibmm): Update to 2.44.0.

gnu: libsigc++: Update to 2.4.1.

* gnu/packages/glib.scm (libsigc++): Update to 2.4.1.

gnu: dbus-glib: Update to 0.104.

* gnu/packages/glib.scm (dbus-glib): Update to 0.104.

gnu: itstool: Update to 2.0.2.

* gnu/packages/glib.scm (itstool): Update to 2.0.2.

gnu: gobject-introspection: Update to 1.44.0.

* gnu/packages/glib.scm (gobject-introspection): Update to 1.44.0.
  [source]: Use mirror://gnome.
  [arguments]<#:phases>: Remove.
* gnu/packages/patches/gobject-introspection-cc.patch: Rewrite to
  set os.environ['CC'] in 'giscanner/__init__.py'.

Merge branch 'core-updates'

gnu: glib: Move html documentation to $doc/share/gtk-doc/html.

* gnu/packages/glib.scm (glib)[arguments]<#:configure-flags>:
  Pass "--with-html-dir=$doc/share/gtk-doc/html".

gnu: dbus: Update to 1.8.16.

* gnu/packages/glib.scm (dbus): Update to 1.8.16.

gnu: glib: Add search path specification for 'GIO_EXTRA_MODULES'.

* gnu/packages/glib.scm (glib): Add specification for 'GIO_EXTRA_MODULES'.

gnu: glib: Update to 2.44.0.

* gnu/packages/glib.scm (glib): Update to 2.44.0.

Merge branch 'master' into core-updates

gnu: Add python2-pygobject.

* gnu/packages/glib.scm (python2-pygobject): New variable.

gnu: python-pygobject: use home page of 3.x series.

* gnu/packages/glib.scm (python-pygobject)[home-page]: Use home page of the
  3.x series of the pygobject bindings instead of the home page for the 2.x
  bindings.

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

Conflicts:
	gnu/packages/gnupg.scm

gnu: python2-py2cairo: Rename to python2-pycairo.

* gnu/packages/gtk.scm (python2-py2cairo): Rename to ...
  (python2-pycairo): ... this
  (python2-pygtk): Adapt input.
* gnu/packages/glib.scm (python2-pygobject-2): Adapt input.
* gnu/packages/python.scm (package-with-python2): Adapt input.