[gnome-backgrounds] Prepare 3.21.91 release

[Jakub Steiner <jimmac src gnome org>]

commit 489a7451cb5f53d150b443528e426f991b50c713
Author: Jakub Steiner <jimmac gmail com>
Date:   Wed Aug 31 22:08:37 2016 +0200

    Prepare 3.21.91 release

 NEWS         |    7 +++++++
 configure.ac |    2 +-
 2 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index 21b2169..b35c9d6 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,11 @@
 ===============
+Version 3.21.91
+===============
+===============
+
+- new default background
+- 2 new icelandic additions replacing old low res
+
 Version 3.20
 Version 3.19.90
 ===============
diff --git a/configure.ac b/configure.ac
index 2b08fc9..5d9b7e9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_INIT([gnome-backgrounds],
-        [3.20],
+        [3.21.91],
         [http://bugzilla.gnome.org/browse.cgi?product=gnome-backgrounds],
         [gnome-backgrounds])