[atk] Release ATK 2.31.90

[Alejandro Piñeiro <apinheiro src gnome org>]

commit 9b49809156091d51d7b8671ee56757bff85685e4
Author: Alejandro Piñeiro <apinheiro igalia com>
Date:   Fri Feb 1 15:27:32 2019 +0100

    Release ATK 2.31.90

 NEWS        | 29 +++++++++++++++++++++++++----
 meson.build |  2 +-
 2 files changed, 26 insertions(+), 5 deletions(-)
---
diff --git a/NEWS b/NEWS
index ce519e3..6351803 100644
--- a/NEWS
+++ b/NEWS
@@ -1,10 +1,31 @@
-Changes in version 2.31.1
-=========================
+Changes in version 2.31.90
+==========================
+*
+* AtkText
+   * Add ScrollSubstringTo and ScrollSubstringToPoint methods to AtkText
+
+* Build - meson
+   * Make atk work as a subproject
+   * Use an autotools compatible compatibility_version/current_version on macOS
+   * Fix usage of glib as a subproject dependency
+   * Replace shared_library by library
+
+* Build - Visual Studio
+   * Add build instructions for Visual Studio, as now is done via Meson
 
-* Add ScrollSubstringTo and ScrollSubstringToPoint methods to AtkText
+* Documentation
+   * Move atk_relation_set_contains_target to correct doc section
+   * Improve documentation for AtkText method return values
+
+* Misc
+   * atkplug, atksocket: Fix -Wredundant-decls
 
 Contributors:
-   Samuel Thibault
+   Chun-wei Fan, Nirbheek Chauhan, Fabrice Fontaine, Niclas Moeslund
+   Overby, Christoph Reiter, Martin Robinson, Samuel Thibault
+
+Translations
+   Tiago Casal (pt_BR)
 
 Changes in version 2.29.94
 ==========================
diff --git a/meson.build b/meson.build
index e5a6e3a..0625519 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('atk', 'c',
-        version: '2.92.94',
+        version: '2.31.90',
         license: 'LGPLv2.1+',
         default_options: [
           'buildtype=debugoptimized',