gnu: lollypop: Use meson-build-system, update to 0.9.306.

* gnu/packages/gnome.scm (lollypop) [origin]: Update version to 0.9.306,
download tarball from gitlab.
[build-system]: Use meson-build-system.
[arguments]: Remove phases for "pseudo meson build system".
[native-inputs]: Add glib:bin and gtk+:bin, remove ninja.
[inputs]: Remove gtk+ and meson.

gnu: totem: Disable (duplicate) cache generation.

* gnu/packages/gnome.scm (totem): Disable (duplicate) cache generation.

gnu: adwaita-icon-theme: Update to 3.26.1.

* gnu/packages/gnome.scm (adwaita-icon-theme): Update to 3.26.1.

gnu: gexiv2: Update to 0.10.7.

* gnu/packages/gnome.scm (gexiv2): Update to 0.10.7.
[build-system]: Switch to meson-build-system.

gnu: mutter: Add xorg-xserver-xwayland input.

* gnu/packages/gnome.scm (mutter)[inputs]: Add xorg-server-xwayland.
[arguments]: Add '--with-xwayland-path' to #:configure-flags.

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

gnu: libgxps: Fix CVE-2017-11590.

* gnu/packages/patches/libgxps-CVE-2017-11590.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/gnome.scm (libgxps)[source]: Use it.

gnu: gucharmap: Use glib-or-gtk-build-system.

* gnu/packages/gnome.scm (gucharmap): Use glib-or-gtk-build-system.

gnu: eolie: Update to 0.9.15.

* gnu/packages/gnome.scm (eolie): Update to 0.9.15.

gnu: eolie: Update to 0.9.13.

* gnu/packages/gnome.scm (eolie): Update to 0.9.13.

gnu: gnome-default-applications: Add Evince for PDF and PS.

* gnu/packages/gnome.scm (gnome-default-applications)[propagated-inputs]:
Add EVINCE.
[arguments]: Associate Evince with application/pdf and
application/postscript.

gnu: rhythmbox: Update to 3.4.2.

* gnu/packages/gnome.scm (rhythmbox): Update to 3.4.2.

gnu: libgweather: Update to 3.26.1.

* gnu/packages/gnome.scm (libgweather): Update to 3.26.1.

gnu: glade@3: Update to 3.20.2.

* gnu/packages/gnome.scm (glade3): Update to 3.20.2.

gnu: shotwell: Update to 0.27.1.

* gnu/packages/gnome.scm (shotwell): Update to 0.27.1.

gnu: gnumeric: Update to 1.12.36.

* gnu/packages/gnome.scm (gnumeric): Update to 1.12.36.

gnu: goffice: Update to 0.10.36.

* gnu/packages/gnome.scm (goffice): Update to 0.10.36.

gnu: Patch path to locale in gnome-desktop.

* gnu/packages/gnome.scm (gnome-desktop)[arguments]: Add 'patch-path phase to
  get libgnome-desktop to use the full path to the locale binary.

gnu: Move date/time packages from python.scm to time.scm.

* gnu/packages/python.scm (python-pytz, python2-pytz, python-dateutil,
python2-dateutil, python-parsedatetime, python2-parsedatetime,
python-tzlocal, python-isodate, python2-isodate, python-iso8601,
python2-iso8601, python-monotonic, python2-monotonic, python-pyrfc3339,
python2-pyrfc3339, python-arrow, python2-arrow, python-aniso8601,
python2-aniso8601): Move from here...
* gnu/packages/time.scm: ...to here.
* gnu/packages/calendar.scm,
gnu/packages/check.scm,
gnu/packages/django.scm,
gnu/packages/ebook.scm,
gnu/packages/gnome.scm,
gnu/packages/irc.scm,
gnu/packages/jrnl.scm,
gnu/packages/mail.scm,
gnu/packages/openstack.scm,
gnu/packages/package-management.scm,
gnu/packages/python-crypto.scm,
gnu/packages/python-web.scm,
gnu/packages/rdf.scm,
gnu/packages/statistics.scm,
gnu/packages/tls.scm,
gnu/packages/tryton.scm,
gnu/packages/version-control.scm: Adjust accordingly.

gnu: eolie: Update to 0.9.12.

* gnu/packages/gnome.scm (eolie): Update to 0.9.12.
[inputs]: Add python-dateutil.

gnu: cheese: Update to 3.26.0.

* gnu/packages/gnome.scm (cheese): Update to 3.26.0

Signed-off-by: Leo Famulari <leo@famulari.name>