[gnome-shell-extensions] Bump version to 3.21.90

[Florian Müllner <fmuellner src gnome org>]

commit b39931e759467b8e6ff59e74286b65d277dd4109
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Aug 19 22:18:12 2016 +0200

    Bump version to 3.21.90
    
    To go along GNOME Shell 3.21.90.

 NEWS         |    5 +++++
 configure.ac |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index b12425d..88645f1 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,11 @@
+3.21.90
+=======
+* updated translations (es, gu)
+
 3.21.4
 ======
 * apps-menu: Fix entries from non-standard AppDir directories
+
 3.21.3
 ======
 * adjust to gnome-shell changes
diff --git a/configure.ac b/configure.ac
index 12e4876..7e4fcf2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ(2.63)
-AC_INIT([gnome-shell-extensions],[3.21.4],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell&component=extensions])
+AC_INIT([gnome-shell-extensions],[3.21.90],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell&component=extensions])
 
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_AUX_DIR([config])