[gnome-session] Created tag 3.27.4

[Ray Strode <halfline src gnome org>]

The unsigned tag '3.27.4' was created.

Tagger: Ray Strode <rstrode redhat com>
Date: Tue Jan 9 14:39:53 2018 -0500

    3.27.4
    
    * GLES fixes
    * Make systemd journal configurable again
    * switch from intltool to gettext
    * Fix wayland session file
    * Translation updates

Changes since the last tag '3.27.3':

Cosimo Cecchi (1):
      tools: don't check software rendering before GLES helper

Dominique Leuenberger (1):
      Add a new switch to enable/disable forwarding to systemd journal

Iñigo Martínez (1):
      build: Migrate from Intltool to Gettext

Piotr Drąg (1):
      Update POTFILES.in

Ray Strode (4):
      meson: rename HAVE_SYSTEMD_JOURNAL to ENABLE_SYSTEMD_JOURNAL
      meson: unconditionally copy session file
      NEWS: update for release
      meson: bump to 3.27.4