[polari] Bump version to 3.20.0

[Florian Müllner <fmuellner src gnome org>]

commit bec0ae30b1df1841492f8caa7b214e8f14ad09b7
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Mar 22 19:53:20 2016 +0100

    Bump version to 3.20.0
    
    Update NEWS.

 NEWS         |   11 +++++++++++
 configure.ac |    2 +-
 2 files changed, 12 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index a779c10..32e46ff 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,14 @@
+3.20.0 - "The Chicken has landed"
+=================================
+* Misc. bug fixes [Florian; #763872, #763873]
+
+Contributors:
+  Florian Müllner
+
+Translations:
+  Milo Casagrande [it], Ask Hjorth Larsen [da], Yuri Myasoedov [ru],
+  Jiro Matsuzawa [ja], Guillaume Bernard [fr]
+
 3.19.92 - "Like a Trailer Park Husband"
 =======================================
 * Misc. bug fixes and cleanups [Florian, Claudio; #763385, #763623]
diff --git a/configure.ac b/configure.ac
index 43a759d..e53aab8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([polari],[3.19.92],[https://bugzilla.gnome.org/enter_bug.cgi?product=polari],[polari])
+AC_INIT([polari],[3.20.0],[https://bugzilla.gnome.org/enter_bug.cgi?product=polari],[polari])
 AX_IS_RELEASE([git-directory])
 
 AC_SUBST([APP_ID],[org.gnome.Polari])