[gnome-shell] Bump version to 3.31.90

[Florian Müllner <fmuellner src gnome org>]

commit 4d2b2a12eaf6fb88dcc61c3fda68b86a512580d8
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Feb 6 23:44:53 2019 +0100

    Bump version to 3.31.90
    
    Update NEWS.

 NEWS        | 35 +++++++++++++++++++++++++++++++++++
 meson.build |  4 ++--
 2 files changed, 37 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index 7b66c4117..9d1eaf588 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,38 @@
+3.31.90
+=======
+* Fix input methods after ibus restarts [Takao; #295]
+* Refresh world clocks and weather sections [Florian; #262]
+* Port to ES6 classes (update your extensions!) [Florian; !361]
+* networkAgent: Advise users when WPS support is available [Lubomir; !329]
+* Performance improvements [Carlos; #832, #815]
+* Fix drag-and-drop with wacom pens [Carlos; #540]
+* Fix CAPS LOCK indication on wayland [Carlos; #762881]
+* Show details of non-sensitive notifications on lock screen [Philip; #726]
+* Refine extension-prefs' error UI [Florian; !193]
+* Add switch-to-application-n keybindings [Florian; #648000]
+* Remove top bar translucency [Florian; #408]
+* Support emojis and keypads in on-screen keyboard [Carlos; #675]
+* Don't allow popups to re-enable keyboard shortcuts on lock screen
+  (CVE-2019-3820) [Florian, Ray; #851]
+* Replace app menu [Florian; #624]
+* Include commonly copied+pasted extension helpers [Florian; !150]
+* Misc. bug fixes and cleanups [Florian, Daniel, Philip, Sergio, Pascal,
+  Georges, verdre, Carlos, Christopher; #780, #909, !316, !308, !309, #915,
+  !350, !362, !357, !365, !366, !283, !367, #942, !371, !373, !374, !343,
+  !375, !292, !317, !377, !379, !346, !383, #953, !388]
+
+Contributors:
+  Sergio Costas, Christopher Davis, Bilal Elmoussaoui, Takao Fujiwara,
+  Carlos Garnacho, Niels De Graef, Christian Kellner, Ignat Loskutov,
+  Florian Müllner, Georges Basile Stavracas Neto, Pascal Nowack, Lubomir Rintel,
+  Jakub Steiner, Ray Strode, verdre, Daniel van Vugt, Philip Withnall
+
+Translators:
+  Daniel Mustieles [es], Carmen Bianca BAKKER [eo], Charles Monzat [fr],
+  Pieter Schalk Schoeman [af], Jordi Mas [ca], Matej Urbančič [sl],
+  Fran Dieguez [gl], Balázs Úr [hu], A S Alam [pa], Fabio Tomat [fur],
+  Aurimas Černius [lt], Piotr Drąg [pl], Marek Cernocky [cs], Ryuta Fujii [ja]
+
 3.31.4
 ======
 * Improve icon grid performance [Daniel; #174]
diff --git a/meson.build b/meson.build
index 8b68e06f6..e1b99d31e 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gnome-shell', 'c',
-  version: '3.31.4',
+  version: '3.31.90',
   meson_version: '>= 0.47.0',
   license: 'GPLv2+'
 )
@@ -23,7 +23,7 @@ gi_req = '>= 1.49.1'
 gjs_req = '>= 1.47.0'
 gtk_req = '>= 3.15.0'
 json_glib_req = '>= 0.13.2'
-mutter_req = '>= 3.31.4'
+mutter_req = '>= 3.31.90'
 polkit_req = '>= 0.100'
 schemas_req = '>= 3.27.90'
 startup_req = '>= 0.11'