[metacity] bump version to 3.22.0, update NEWS

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 666d3edaac44799ac8bbeb946538469193ed7e0e
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Wed Sep 21 19:55:03 2016 +0300

    bump version to 3.22.0, update NEWS

 NEWS         |   14 ++++++++++++++
 configure.ac |    4 ++--
 2 files changed, 16 insertions(+), 2 deletions(-)
---
diff --git a/NEWS b/NEWS
index d13d1cb..5378e71 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,17 @@
+Version 3.22.0
+==============
+- Use shadow from GTK+ theme (Alberts Muktupāvels)
+- Fix pressed state of menu button (Alberts Muktupāvels; #394787)
+- Fix titlebar repaint (Alberts Muktupāvels; #769049)
+- Fix small memory leak in compositor (Alberts Muktupāvels)
+- Improved HiDPI support (Alberts Muktupāvels, Giovanni Campagna)
+- Fix crash when removing secondary monitor (Alberts Muktupāvels; #766156)
+- Fix window resizing using titlebar (Alberts Muktupāvels; LP:#1596574)
+- Updated translations:
+  Anders Jonsson (sv), Andika Triwidada (id), Balázs Meskó (hu),
+  Daniel Mustieles (es), Marek Černocký (cs), Мирослав Николић (sr, sr@latin),
+  Piotr Drąg (pl), Rafael Fontenelle (pt_BR).
+
 Version 3.20.0
 ==============
 - Allow minimizing windows which don't advertise support for it. (Jasper
diff --git a/configure.ac b/configure.ac
index cd6ec5e..7b01b54 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@ dnl Define version info
 dnl **************************************************************************
 
 m4_define([m_major_version], [3])
-m4_define([m_minor_version], [21])
+m4_define([m_minor_version], [22])
 m4_define([m_micro_version], [0])
 m4_define([m_version], [m_major_version.m_minor_version.m_micro_version])
 
@@ -106,7 +106,7 @@ dnl **************************************************************************
 dnl Library version information
 dnl **************************************************************************
 
-m4_define([lt_current], [0])
+m4_define([lt_current], [1])
 m4_define([lt_revision], [0])
 m4_define([lt_age], [0])
 m4_define([lt_version_info], [lt_current:lt_revision:lt_age])