[gnome-shell] Bump version to 3.20.0

[Florian Müllner <fmuellner src gnome org>]

commit a03e5662e2152c30b40228b47781dc3721e5afac
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Mar 22 18:14:58 2016 +0100

    Bump version to 3.20.0
    
    Update NEWS.

 NEWS         |    8 ++++++++
 configure.ac |    4 ++--
 2 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index 94a8747..c32d636 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+3.20.0
+======
+
+Translations:
+  Changwoo Ryu [ko], Baurzhan Muftakhidinov [kk], Milo Casagrande [it],
+  Anders Jonsson [sv], Muhammet Kara [tr], Alexandre Franke [fr],
+  Rūdolfs Mazurs [lv], Ask Hjorth Larsen [da], Jiro Matsuzawa [ja]
+
 3.19.92
 =======
 * Update location dialog according to latest mockups [Zeeshan; #762480]
diff --git a/configure.ac b/configure.ac
index dc2db00..3d15888 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ(2.63)
-AC_INIT([gnome-shell],[3.19.92],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell],[gnome-shell])
+AC_INIT([gnome-shell],[3.20.0],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-shell],[gnome-shell])
 AX_IS_RELEASE([git-directory])
 
 AC_CONFIG_HEADERS([config.h])
@@ -77,7 +77,7 @@ AC_MSG_RESULT($enable_systemd)
 CLUTTER_MIN_VERSION=1.21.5
 GOBJECT_INTROSPECTION_MIN_VERSION=1.45.4
 GJS_MIN_VERSION=1.39.0
-MUTTER_MIN_VERSION=3.19.92
+MUTTER_MIN_VERSION=3.20.0
 GTK_MIN_VERSION=3.15.0
 GIO_MIN_VERSION=2.45.3
 LIBECAL_MIN_VERSION=3.5.3