[polari/gnome-3-20] Bump version to 3.20.3

[Florian Müllner <fmuellner src gnome org>]

commit a88866b42e985c9d68957410bdfeb1381a144d79
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri Aug 19 23:24:11 2016 +0200

    Bump version to 3.20.3
    
    Update NEWS.

 NEWS         |   12 ++++++++++++
 configure.ac |    2 +-
 2 files changed, 13 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index bee3b08..45497c7 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,15 @@
+3.20.3 - "Adam and Steve"
+=========================
+* Fix auto-scrolling to bottom [Florian; #765129]
+* Fix rooms in sidebar not updating their read/unread style [Florian; #768909]
+* Fix connection issues with predefined networks [Florian; #766935]
+
+Contributors:
+  Florian Müllner
+
+Translations:
+  Muhammet Kara [tr], Tiago Santos [pt], Andika Triwidada [id]
+
 3.20.2 - "Screw Maximilian"
 ===========================
 * Support pasting text/image content from files [Florian; #766066]
diff --git a/configure.ac b/configure.ac
index 24b5c3b..29d0e37 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([polari],[3.20.2],[https://bugzilla.gnome.org/enter_bug.cgi?product=polari],[polari])
+AC_INIT([polari],[3.20.3],[https://bugzilla.gnome.org/enter_bug.cgi?product=polari],[polari])
 AX_IS_RELEASE([git-directory])
 
 AC_SUBST([APP_ID],[org.gnome.Polari])