Bump 3.22.1 release

NEWS

+===============
+Version 3.22.1
+===============
+
+Project:
+        * Improved behavior when dealing with dates
+        * Improve the focus management so we don't loose the new task row
+        * Improve the Unscheduled panel
+        * Duplicated task issue is now fixed
+        * Add a Flatpak manifest file (Christian Hergert)
+        * GNOME To Do consumes less memory and is more stable (Victor Toso)
+
+Translations:
+        * Brazilian Portuguese (Gustavo Marques)
+        * Czech (Marek Černocký)
+        * Dutch (Hannie Dumoleyn, Mario Blättermann)
+        * Finnish (Jiri Grönroos)
+        * French (Charles Monzat)
+        * Friulian (Fabio Tomat)
+        * Hungarian (Balázs Úr, Balázs Meskó)
+        * Italian (Gianvito Cavasoli)
+        * Kazakh (Baurzhan Muftakhidinov)
+        * Latvian (Rūdolfs Mazurs)
+        * Lithuanian (Aurimas Černius)
+        * Norwegan bokmål (Kjartan Maraas)
+        * Polish (Piotr Drąg)
+        * Slovak (Dušan Kazik)
+        * Spanish (Daniel Mustieles)
+
 ===============
 Version 3.22.0
 ===============

configure.ac

 dnl -*- mode: m4 -*-
 AC_PREREQ([2.69])
-AC_INIT([gnome-todo],[3.22.0],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-todo],[gnome-todo])
+AC_INIT([gnome-todo],[3.22.1],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-todo],[gnome-todo])
 
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_SRCDIR([src/main.c])

data/appdata/org.gnome.Todo.appdata.xml.in

@@ -51,6 +51,24 @@
   </kudos>
 
   <releases>
+    <release date="2016-16-19" version="3.22.1">
+      <description>
+        <p>
+          This is the second stable release for GNOME To Do 3.22, and focus on
+          stability improvements.
+          <ul>
+            <li>Improved behavior when dealing with dates</li>
+            <li>Improve the focus management so we don't loose the new task row</li>
+            <li>Add a Flatpak manifest file</li>
+            <li>Improve the Unscheduled panel</li>
+            <li>Duplicated task issue is now fixed</li>
+            <li>GNOME To Do consumes less memory and is more stable</li>
+          </ul>
+        </p>
+        <p>This release also updates translations, and adds new translations.</p>
+        <p>Thanks to all the contributors that worked on GNOME To Do!</p>
+      </description>
+    </release>
     <release date="2016-11-1" version="3.22.0">
       <description>
         <p>