gnu: Add telepathy-glib.

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

Merge branch 'core-updates'

Conflicts:
	gnu/packages/bootstrap.scm

Merge branch 'master' into core-updates

packages: Add 'file-type' field to 'search-path-specification'.

Fixes <http://bugs.gnu.org/18033>.

* guix/packages.scm (<search-path-specification>): Rename 'directories'
  field to 'files'.  Add 'file-type'.
  (search-path-specification->sexp): Honor 'file-type'.
* gnu/packages/autotools.scm, gnu/packages/bootstrap.scm,
  gnu/packages/cross-base.scm, gnu/packages/games.scm,
  gnu/packages/gcc.scm, gnu/packages/glib.scm,
  gnu/packages/guile.scm, gnu/packages/man.scm,
  gnu/packages/perl.scm, gnu/packages/pkg-config.scm,
  gnu/packages/python.scm, gnu/packages/ruby.scm,
  gnu/packages/xfce.scm: Change 'directories' to 'files'.
* tests/packages.scm ("search paths"): Change 'directories' field to
  'files'.
* guix/scripts/environment.scm (for-each-search-path): Likewise.

Merge branch 'xorg-updates'

gnu: glibmm: Update to 2.42.0.

* gnu/packages/glib.scm (glibmm): Update to 2.42.0.  Use 'version-major+minor'
  to compute source URI.

gnu: dbus-glib: Update to 0.102.

* gnu/packages/glib.scm (dbus-glib): Update to 0.102.

gnu: glib: Update to 2.42.1.

* gnu/packages/glib.scm (glib): Update to 2.42.1.  Disable a test
  that requires dbus.

gnu: dbus: Update to 1.8.12.

* gnu/packages/glib.scm (dbus): Update to 1.8.12.

Merge branch 'master' into 'core-updates'.

Revert "gnu: gobject-introspection: Update to 1.42.0 and add new patch."

This reverts commit 66717243d0683fa05b5630c2e011f3a486a8d316.  Several
packages fail to build with the new version.

gnu: gobject-introspection: Define search path for typelib files.

* gnu/packages/glib.scm (gobject-introspection): Add 'native-search-paths' and
  'search-paths' fields.

gnu: gobject-introspection: Update to 1.42.0 and add new patch.

* gnu/packages/glib.scm (gobject-introspection): Update to version 1.42.0.
  Add patch 'gobject-introspection-absolute-shlib-path.patch' provided by Luca
  Bruno <lucabru@src.gnome.org> for Nix.

gnu: glib: Update to 2.40.2.

* gnu/packages/glib.scm (glib): Update to 2.40.2.

gnu: glib: Work around unreliable GIO test.

Fixes <http://bugs.gnu.org/18445>.

* gnu/packages/patches/glib-tests-gapplication.patch: New file
* gnu/packages/glib.scm (glib)[source]: Add it.
* gnu-system.am (dist_patch_DATA): Add it.

gnu: dbus: Update to 1.8.10.

* gnu/packages/glib.scm (dbus): Update to 1.8.10.
  (dbus-1.8.10): Remove.

gnu: Add python-pygobject.

* gnu/packages/patches/python2-pygobject-2-gi-info-type-error-domain.patch:
  New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/glib.scm (python-pygobject, python2-pygobject-2): New
  variables.

gnu: dbus: Add 1.8.10 as a replacement.

* gnu/packages/glib.scm (dbus)[replacement]: New field.
  (dbus-1.8.10): New variable.

gnu: intltool: Make file a regular input.

* gnu/packages/glib.scm (intltool)[propagated-inputs]: Move file from here...
  [inputs]: to here.
  [arguments]: New 'patch-file-references phase.

gnu: Move pkg-config to 'native-inputs' in various places.

* gnu/packages/glib.scm (libsigc++): Move pkg-config to
  'native-inputs'.
  (glibmm): Likewise.
* gnu/packages/mpd.scm (mpd): Likewise.
* gnu/packages/package-management.scm (guix-0.7): Likewise.
* gnu/packages/sdl.scm (sdl-net): Likewise.
  (sdl-ttf): Likewise.
* gnu/packages/xiph.scm (vorbis-tools): Likewise.