[gnome-calculator] Prepared release 3.31.1

[Robert Roth <robertroth src gnome org>]

commit c13fe54b661e1dbb8e36589079176116ec7bdb1c
Author: Robert Roth <robert roth off gmail com>
Date:   Mon Oct 8 20:17:53 2018 +0300

    Prepared release 3.31.1

 NEWS        | 31 +++++++++++++++++++++++++++++++
 meson.build |  2 +-
 2 files changed, 32 insertions(+), 1 deletion(-)
---
diff --git a/NEWS b/NEWS
index 3197e4a6..079b416c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,34 @@
+Overview of changes in gnome-calculator 3.31.1
+    * Search provider improvements (Marco Trevisan)
+    * Copy to clipboard from search result (Marco Trevisan)
+    * Conversion UI improvements #72 (Robert Roth)
+    * Functions and variables popover HIG fixes #76 (Robert Roth)
+    * Port to GtkSourceView 4 (Christian Hergert)
+    * Remove appmenu (Robert Ancell)
+    * Application icon and symbolic icon update (Jakub Steiner, Sam Hewitt)
+    * Fixed new window shell action (Florian Müllner)
+    * Mark 'in' conversion keyword as translatable #73 (Robert Roth)
+    * Support for integer decimals in different bases #36 (Marco Trevisan)
+    * Mark some untranslatable texts as translatable.
+    * Use application icon in about and window icon instead of generic icon
+    * Updated Polish translation (Piotr Drąg)
+    * Updated Swedish translation (Anders Jonsson)
+    * Updated Indonesian translation (Kukuh Syafaat)
+    * Updated Turkish translation (Emin Tufan Çetin)
+    * Updated Czech translation (Marek Cernocky)
+    * Updated Brazilian Portuguese translation (Rafael Fontenelle)
+    * Updated Hungarian translation (Balázs Meskó)
+    * Updated Friulian translation (Fabio Tomat)
+    * Updated Romanian translation (Daniel Șerbănescu)
+    * Updated Russian translation (Stas Solovey)
+    * Updated Italian translation (Janvitus)
+    * Updated German translation (Mario Blättermann)
+    * Updated Finnish translation (Jiri Grönroos)
+    * Updated Catalan translation (Jordi Mas)
+    * Updated Slovenian translation (Matej Urbančič)
+    * Updated Danish translation (Ask Hjorth Larsen)
+    * Updated Lithuanian translation (Aurimas Černius)
+
 Overview of changes in gnome-calculator 3.30.0
     * Updated Czech translation (Marek Cernocky)
     * Updated Swedish translation (Anders Jonsson)
diff --git a/meson.build b/meson.build
index c0bbf77f..652e2891 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gnome-calculator', ['c', 'vala'],
-  version: '3.30.0',
+  version: '3.31.1',
   meson_version: '>= 0.42',
   license: 'GPLv3+',
 )