[gnome-shell] Bump version to 3.15.90

[Florian Müllner <fmuellner src gnome org>]

commit 2b65d24ac1ee711bf7b41d29beb79cf2a4a86ad1
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Feb 20 19:20:56 2015 +0100

    Bump version to 3.15.90
    
    Update NEWS.

 NEWS         |   29 +++++++++++++++++++++++++++++
 configure.ac |    4 ++--
 2 files changed, 31 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index 5e94b4a..d402aef 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,32 @@
+3.15.90
+=======
+* gdm: Fix reactivity of first user in user list [Ray; #743370]
+* Prevent DND to dash when favorites are locked down [David; #741325]
+* Prevent DND in app picker when favorites are locked down [Murray; #741325]
+* Implement Display panel's OSD monitor labels in the shell [Rui; #743744]
+* Remove GSystem dependency [Colin; #744457]
+* Do not duplicate "New Window" action in dash [Florian; #744446]
+* Fix 'draw-cursor' option of screen recorder [Alexander; #744599]
+* Fix screencast timestamps [Sebastian; #744642]
+* Allow keybindings for switching to VT8-VT12 [Ray; #744800]
+* Implement notification redesign [Florian; #744498, #744815, #744817, #744850]
+* Fix struts computation of chrome on non-primary monitors [Sylvain; #744183]
+* Visual refresh based on GTK+ theme redesign [Jakub, Carlos; #737785, #744680]
+* Misc. bug fixes and cleanups [Ray, Bastien, Cosimo, Rui, Florian; #743371,
+  #736182, #744013, #743993, #744665]
+
+Contributors:
+  Cosimo Cecchi, Murray Cumming, Sebastian Dröge, David King,
+  Alexander Larsson, Rui Matos, Florian Müllner, Bastien Nocera,
+  Sylvain Pasche, Carlos Soriano, Jakub Steiner, Jasper St. Pierre, Ray Strode,
+  Colin Walters
+
+Translations:
+  Daniel Martinez [an], Sveinn í Felli [is], GNOME Translation Robot [de],
+  Yosef Or Boczko [he], Kristjan SCHMIDT [eo], Dušan Kazik [sk],
+  Andika Triwidada [id], Marek Černocký [cs], Muhammet Kara [tr],
+  Matej Urbančič [sl], Milo Casagrande [it], Anders Jonsson [sv]
+
 3.15.4
 ======
 * Add mode parameter to AcceleratorActivated signal [Florian; #711682]
diff --git a/configure.ac b/configure.ac
index 6e59ea2..bac63af 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ(2.63)
-AC_INIT([gnome-shell],[3.15.4],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell],[gnome-shell])
+AC_INIT([gnome-shell],[3.15.90],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell],[gnome-shell])
 
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_SRCDIR([src/shell-global.c])
@@ -76,7 +76,7 @@ AC_MSG_RESULT($enable_systemd)
 CLUTTER_MIN_VERSION=1.15.90
 GOBJECT_INTROSPECTION_MIN_VERSION=0.10.1
 GJS_MIN_VERSION=1.39.0
-MUTTER_MIN_VERSION=3.15.4
+MUTTER_MIN_VERSION=3.15.90
 GTK_MIN_VERSION=3.15.0
 GIO_MIN_VERSION=2.37.0
 LIBECAL_MIN_VERSION=3.5.3