[gnome-themes-standard] prepare for 3.20 release

[Jakub Steiner <jimmac src gnome org>]

commit 654963e9bd61913eaf0cb2d96e28988416fc5c0b
Author: Jakub Steiner <jimmac gmail com>
Date:   Tue Mar 22 17:24:41 2016 +0100

    prepare for 3.20 release

 NEWS         |    3 +++
 configure.ac |    2 +-
 2 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index c9d312b..6565a1c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,6 @@
+3.20
+====
+
 3.19.91
 =======
  - updated gtk2 theme (by Juraj Fiala)
diff --git a/configure.ac b/configure.ac
index e57e8fb..0e3cff8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.53)
 
-AC_INIT([gnome-themes-standard], [3.19.91],
+AC_INIT([gnome-themes-standard], [3.20],
         [http://bugzilla.gnome.org/enter_bug.cgi?product=gnome-themes-standard])
 
 AC_CONFIG_MACRO_DIR([m4])