[gnome-calculator] Prepared release 3.31.3

[Robert Roth <robertroth src gnome org>]

commit 7c47a94f1290f4673d7cddc7a1de5feab8d20b64
Author: Robert Roth <robert roth bee-tf ro>
Date:   Mon Dec 10 15:06:54 2018 +0200

    Prepared release 3.31.3

 NEWS        | 7 +++++++
 meson.build | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index 46fb780d..8e5bc23e 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,10 @@
+Overview of changes in gnome-calculator 3.31.3
+    * Added Alt+T shortcut for keyboard mode #81 (Robert Roth)
+    * Use US prefix for non-imperial units #84 (Robert Roth)
+    * Updated French translation (Guillaume Bernard)
+    * Updated Spanish translation (Daniel Mustieles)
+    * Updated Esperantoo translation (Kristjan Mustieles)
+
 Overview of changes in gnome-calculator 3.31.2
     * Readded missing accelerators (Robert Roth)
     * Use GLib.List.deep_copy() to fix argument type mismatch (Rico Tzschichholz)
diff --git a/meson.build b/meson.build
index 8fdbe768..11ebd68e 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gnome-calculator', ['c', 'vala'],
-  version: '3.31.2',
+  version: '3.31.3',
   meson_version: '>= 0.42',
   license: 'GPLv3+',
 )