[gnome-2048] Prepare 3.31.4.

[Arnaud B. <arnaudb src gnome org>]

commit 0bbe4b18ba9f794750aae5ad8d01ea3fc0a5aa65
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Wed Jan 9 22:07:43 2019 +0100

    Prepare 3.31.4.

 NEWS        | 23 +++++++++++++++++++++++
 meson.build |  2 +-
 2 files changed, 24 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index 2c12c6d..f9fd634 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,26 @@
+GNOME 2048   3.31.4                                        2019-09-01
+=====================================================================
+
+On the UI side, the migration from an app-menu to a hamburger menu is
+done. And on the technical side, the migration to Meson is done also.
+Many thanks to Jan Tojnar for his work, and happy new year everybody.
+
+New translation:
+  Russian: Stas Solovey
+
+Translations updated:
+  Croatian: gogo
+  Czech: Marek Cernocky
+  Finnish: Jiri Grönroos
+  German: Mario Blättermann
+  Indonesian: Kukuh Syafaat
+  Lithuanian: Aurimas Černius
+  Polish: Piotr Drąg
+  Brazilian Portuguese: Rafael Fontenelle
+  Slovenian: Matej Urbančič
+  Spanish: Daniel Mustieles
+  Swedish: Anders Jonsson
+
 GNOME 2048   3.30.0                                        2018-09-04
 =====================================================================
 
diff --git a/meson.build b/meson.build
index 211b03f..ac58c08 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project(
   'gnome-2048', ['vala', 'c'],
-  version: '3.30.0',
+  version: '3.31.4',
   license: 'GPLv3+',
   meson_version: '>= 0.37.1',
 )