[gnome-tetravex] Prepare 3.31.3

[Jeremy Bicha <jbicha src gnome org>]

commit 18a762381b4f8936de0da872a96b6c81ee553833
Author: Jeremy Bicha <jbicha ubuntu com>
Date:   Sun Dec 9 17:06:55 2018 -0500

    Prepare 3.31.3

 NEWS        | 13 +++++++++++++
 meson.build |  2 +-
 2 files changed, 14 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index 6040ee5..9fbb03b 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,16 @@
+GNOME Tetravex 3.31.3
+=====================
+* Development release
+* Switch from autotools to meson (Jeremy)
+* Stop using intltool (Jeremy)
+* Follow GNOME 3.32 app menu recommendations (Jeremy)
+* Add Keyboard Shortcuts overlay (Jeremy)
+* Hide Keyboard Shortcuts section in app help (Jeremy)
+* Update AppStream metadata (nick)
+
+Contributors:
+ Jeremy Bicha, nick richards
+
 GNOME Tetravex 3.22.0
 =====================
 
diff --git a/meson.build b/meson.build
index 2ed4cbb..7933b53 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project ('gnome-tetravex', ['vala', 'c'],
-         version: '3.31.1',
+         version: '3.31.3',
          license: 'GPLv2+',
          default_options: [
              'warning_level=1',