[gnome-shell-extensions] Bump version to 3.15.3

[Florian Müllner <fmuellner src gnome org>]

commit 8c496fd1a6bbd380a3f4cadbcd76989cc07d2937
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Dec 19 15:12:33 2014 +0100

    Bump version to 3.15.3
    
    To go along GNOME Shell 3.15.3

 NEWS         |    7 +++++++
 configure.ac |    2 +-
 2 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 73d21f2..9199547 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,10 @@
+3.15.3
+======
+* classic-mode: Add high-contrast theme variant, drop .desktop file
+* places-menu: Fix error when XDG user directories are not set up
+* window-list: Add option to show on all monitors
+* updated translations (eu, hu, kk, ro, tr)
+
 3.15.2
 ======
 * removable-drive, user-theme, window-list: Update for gnome-shell changes
diff --git a/configure.ac b/configure.ac
index 16c86f4..fbe3615 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ(2.63)
-AC_INIT([gnome-shell-extensions],[3.15.2],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell&component=extensions])
+AC_INIT([gnome-shell-extensions],[3.15.3],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell&component=extensions])
 
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([config])