[libwnck] Release: 3.20.0

[Marco Trevisan <marcotrevi src gnome org>]

commit 2bd5504be676fae13a856330ac3cd7e0b6ea685b
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Tue Jun 21 15:55:49 2016 +0200

    Release: 3.20.0

 NEWS         |   32 ++++++++++++++++++++++++--------
 configure.ac |    2 +-
 2 files changed, 25 insertions(+), 9 deletions(-)
---
diff --git a/NEWS b/NEWS
index 8ea919d..a8b6826 100644
--- a/NEWS
+++ b/NEWS
@@ -1,8 +1,26 @@
-=============
-Version 3.18.0
-=============
+==============
+Version 3.20.0
+==============
+
+  Fixes
+
+  * xutils: add error trap in try_pixmap_and_mask (Alberts Muktupāvel)
+  * Window: ignore unhandled non-_NET_WM actions
+  * ActionMenu: Use gtk_label_set_text_with_mnemonic instead of
+    gtk_label_set_text (Andrea Azzarone)
+  * tasklist: set css name (Alberts Muktupāvel)
+  * selector: set css name (Alberts Muktupāvel)
+  * pager: set css name Alberts Muktupāvels
+  * configure.ac: redefine introspection dirs using proper prefixes
+
+  Translators
 
-  Release bump to 3.18.0
+  * Dušan Kazi (sk)
+  * Trần Ngọc Quân (vi)
+
+==============
+Version 3.18.0
+==============
 
   Fixes
 
@@ -26,11 +44,9 @@ Version 3.18.0
   * Piotr Drąg (pl)
   * Samir Ribic (bs)
 
-=============
+==============
 Version 3.14.0
-=============
-
-  Release bump to 3.14.0
+==============
 
   Fixes
 
diff --git a/configure.ac b/configure.ac
index 3004859..4c567b2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 AC_PREREQ(2.62)
 
 m4_define([wnck_major_version], [3])
-m4_define([wnck_minor_version], [18])
+m4_define([wnck_minor_version], [20])
 m4_define([wnck_micro_version], [0])
 m4_define([wnck_version],
           [wnck_major_version.wnck_minor_version.wnck_micro_version])