[metacity] bump version to 3.20.1, update NEWS

[Alberts Muktupāvels <muktupavels src gnome org>]

commit fb3d7a16d80d7fc7ff8f803913db6280e55bff0f
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sat Jun 25 12:56:31 2016 +0300

    bump version to 3.20.1, update NEWS

 NEWS         |    6 ++++++
 configure.ac |    2 +-
 2 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index d13d1cb..2e9683b 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,9 @@
+Version 3.20.1
+==============
+- Don't paint windows that is not viewable (Alberts Muktupāvels; LP:#1592953)
+- Fix meta_window_get_titlebar_rect (Alberts Muktupāvels; LP:#1509031)
+- Remove clip to screen optimization (Alberts Muktupāvels; #538438)
+
 Version 3.20.0
 ==============
 - Allow minimizing windows which don't advertise support for it. (Jasper
diff --git a/configure.ac b/configure.ac
index 392ce14..aaf0897 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,7 @@ dnl **************************************************************************
 
 m4_define([m_major_version], [3])
 m4_define([m_minor_version], [20])
-m4_define([m_micro_version], [0])
+m4_define([m_micro_version], [1])
 m4_define([m_version], [m_major_version.m_minor_version.m_micro_version])
 
 dnl **************************************************************************