[gnome-mahjongg] Prepare 3.31.3

[Jeremy Bicha <jbicha src gnome org>]

commit 012847581dd106d9058dcc12a0072f313d9d376f
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Sun Dec 9 15:59:00 2018 -0500

    Prepare 3.31.3

 NEWS        | 15 +++++++++++++++
 meson.build |  2 +-
 2 files changed, 16 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index be37b97..ad9175a 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,18 @@
+GNOME Mahjongg 3.31.3
+=====================
+* Development release
+* Switch from autotools to meson (Robert A.)
+* Follow GNOME 3.32 app menu recommendations (Robert A.)
+* Add Keyboard Shortcuts overlay (Jeremy)
+* Hide Keyboard Shortcuts section in app help (Jeremy)
+* Add Flatpak manifest (Jiri)
+* Stop using intltool (Robert R.)
+* Miscellaneous improvements (Anders, Andre, Carlos, Piotr)
+
+Contributors:
+ Robert Ancell, Jeremy Bicha, Piotr Drąg, Jiri Eischmann,
+ Anders Jonsson, Andre Klapper, Robert Roth, Carlos Soriano
+
 GNOME Mahjongg 3.22.0
 =====================
 
diff --git a/meson.build b/meson.build
index 6d6a67d..785ca4c 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project ('gnome-mahjongg', ['vala', 'c'],
-         version: '3.22.0',
+         version: '3.31.3',
          license: 'GPLv3+',
          default_options: [
              'warning_level=1',