gnu: Make libgnomeprint{,ui} as deprecated.

* gnu/packages/gnome.scm (libgnomeprint): Add comment and update
  'description' to mark it as deprecated.
  (libgnomeprintui): Ditto.

gnu: Add json-glib.

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

Merge branch 'core-updates'

Conflicts:
	gnu/packages/bootstrap.scm

Merge branch 'master' into core-updates

gnu: evince: Add inputs.

* gnu/packages/gnome.scm (evince): Add 'dconf' and 'libcanberra' inputs.
  Remove custom phase 'set-mime-search-path which is now handled by
  glib-or-gtk-build-system.

gnu: dconf: Add dconf.

* gnu/packages/gnome.scm (dconf): New variable.

Merge branch 'master' into core-updates

gnu: icon-naming-utils: Wrap with PERL5LIB to find XML::Simple.

Fixes <http://bugs.gnu.org/19367>.

* gnu/packages/gnome.scm (icon-naming-utils)[arguments]: New field.

Merge branch 'master' into core-updates

gnu: libxml2: Add search path specification.

* gnu/packages/xml.scm (libxml2)[native-search-paths, search-paths]: New
  fields.
* gnu/packages/gnome.scm (gnome-doc-utils)[arguments]: Remove.
* gnu/packages/gps.scm (gpscorrelate)[arguments]: Remove settings for
  'XML_CATALOG_FILES' from 'configure' phase.
* gnu/packages/web.scm (tinyproxy)[arguments]: Likewise.

Merge branch 'xorg-updates'

Merge branch 'master' into core-updates

gnu: gtkglext: Add glu to inputs.

* gnu/packages/gnome.scm (gtkglext): Add glu to inputs.

Merge branch 'master' into xorg-updates

gnu: Add vte.

* gnu/packages/gnome.scm (vte, vte/gtk+-2): New variables.

gnu: Add vala.

* gnu/packages/gnome.scm (vala): New variable.

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

gnu: libwnck: Propagate inputs.

* gnu/packages/gnome.scm (libwnck, libwnck-1): Propagate inputs libxres and
  startup-notification.

gnu: Add libwnck.

* gnu/packages/gnome.scm (libwnck, libwnck-1): New variables.

gnu: evince: Use 'glib-or-gtk-build-system'.

* gnu/packages/gnome.scm (evince)[build-system]: Switch to
  GLIB-OR-GTK-BUILD-SYSTEM.