Bump 3.22 release

NEWS

+===============
+Version 3.22.0
+===============
+
+Project:
+        * GNOME To Do now supports subtasks
+        * Plug various memory leaks (Victor Toso)
+        * Improved task editor panel (Rohit Kaushik)
+        * Avoid crash on labels (Jason Crain)
+        * Various cleanups (djb)
+        * Add developer documentation
+        * Make the stardard panels as plugins
+        * Add plugin to switch between dark/light theme variants
+        * General improvements on dark variant
+
+Translations:
+        * Basque (Inaki Larranaga Murgoitio)
+        * Brazilian Portuguese (Gustavo Marques)
+        * British English (Bruce Cowan)
+        * Catalan (Jordi Mas)
+        * Czech (Marek Černocký)
+        * Chinese (Jeff Bai)
+        * Chinese (Taiwan) (Cheng-Chia Tseng)
+        * Danish (Ask Hjorth Larsen)
+        * Dutch (Hannie Dumoleyn)
+        * Galician (Fran Dieguez)
+        * German (Flo H, Mario Blättermann)
+        * Greek (Tom Tryfonidis)
+        * Finnish (Jiri Grönroos)
+        * French (Alexandre Franke)
+        * Friulian (Fabio Tomat)
+        * Hebrew (Yosef Or Boczko)
+        * Hungarian (Balázs Úr)
+        * Icelandic (Sveinn í Felli)
+        * Indonesian (Andika Triwidada)
+        * Italian (Gianvito Cavasoli)
+        * Kazakh (Baurzhan Muftakhidinov)
+        * Korean (Seong-ho Cho)
+        * Latvian (Rūdolfs Mazurs)
+        * Lithuanian (Aurimas Černius)
+        * Occitan (Cédric Valmary)
+        * Persian (Arash Mousavi)
+        * Polish (Piotr Drąg)
+        * Portuguese (Tiago Santos)
+        * Serbian (Мирослав Николић)
+        * Slovak (Dušan Kazik)
+        * Slovenian (Matej Urbančič)
+        * Swedish (Anders Jonsson)
+        * Spanish (Daniel Mustieles)
+        * Turkish (Muhammet Kara)
+        * Ukranian (Daniel Korostil)
+        * Vietnamese (Trần Ngọc Quân)
+
 ===============
 Version 3.19.92
 ===============

configure.ac

 dnl -*- mode: m4 -*-
 AC_PREREQ([2.69])
-AC_INIT([gnome-todo],[3.19.92],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-todo],[gnome-todo])
+AC_INIT([gnome-todo],[3.22.0],[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

@@ -50,6 +50,27 @@
     <kudo>ModernToolkit</kudo>
   </kudos>
 
-  <update_contact>georges.stavracas@gmail.com.</update_contact>
+  <releases>
+    <release date="2016-11-1" version="3.22.0">
+      <description>
+        <_p>
+          This is the first stable release for GNOME 3.22, and adds many new features
+          and improvements.
+          <ul>
+            <li>GNOME To Do now supports subtasks</li>
+            <li>Memory comsumption was optimized</li>
+            <li>The task editor panel received handy buttons to change the task's due date</li>
+            <li>An initial version of the API documentation was released</li>
+            <li>All panels except the "List" panel are now plugins and, as such, they can be disabled</li>
+            <li>The user can switch between dark and light theme variants now</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>
+  </releases>
+
+  <update_contact>georges.stavracas@gmail.com</update_contact>
   <translation type="gettext">gnome-todo</translation>
 </component>