[gnome-shell-extensions] Bump version to 3.23.91

[Florian Müllner <fmuellner src gnome org>]

commit 483b385c900ab8f5cc52bbb54d77275b45d2095a
Author: Florian Müllner <fmuellner gnome org>
Date:   Wed Mar 1 19:25:31 2017 +0100

    Bump version to 3.23.91
    
    Update NEWS.

 NEWS         |    5 +++++
 configure.ac |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 4ba90db..c378f66 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,8 @@
+3.23.91
+=======
+* updated translations (de, es, eu, fi, fr, fur, gl, hu, id, it, kk, nb, pl, pt_BR,
+  sk, sr, sr@latin, sv, uk, zh_TW)
+
 3.23.90
 =======
 * window-list: Improve styling
diff --git a/configure.ac b/configure.ac
index 074e766..d3bd907 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ(2.63)
-AC_INIT([gnome-shell-extensions],[3.23.90],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell&component=extensions])
+AC_INIT([gnome-shell-extensions],[3.23.91],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell&component=extensions])
 
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([config])