[pygobject] release 3.22.0

[Christoph Reiter <creiter src gnome org>]

commit fb1b8fa8a67f2c7ea7ad4b53076496a8f2b4afdb
Author: Christoph Reiter <creiter src gnome org>
Date:   Mon Sep 19 15:27:35 2016 +0200

    release 3.22.0

 NEWS |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 59be916..62469cc 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,6 @@
+3.22.0  19-Sep-2016
+        - configure.ac: pre-release version bump to 3.22.0 (Christoph Reiter)
+
 3.21.92 11-Sep-2016
         - Handle nullable filename parameters (Christoph Reiter) (#770821)
         - Fix list/hashtable enum <-> hash conversion on 64-bit big endian (Aurelien Jarno) (#770608)