Bump 3.24.1 release

NEWS

+================
+Version 3.24.1
+================
+
+Project:
+        * Allow using right-click to select task lists (Linus Probert)
+        * Fix scheduled panel calculation of date span
+        * Fix crash when creating new task
+
+Translations:
+        * Brazilian Portuguese (Rafael Fontenelle)
+        * German (Florian Heiser, Mario Blättermann)
+        * Hungarian (Gábor Kelemen)
+        * Indonesian (Kukuh Syafaat)
+        * Italian (Gianvito Cavasoli)
+        * Kazakh (Baurzhan Muftakhidinov)
+        * Lithuanian (Aurimas Černius)
+        * Polish (Piotr Drąg)
+        * Serbian (Мирослав Николић)
+        * Slovak (Dušan Kazik)
+        * Swedish (Anders Jonsson)
+
 ================
 Version 3.24.0.1
 ================

configure.ac

 dnl -*- mode: m4 -*-
 AC_PREREQ([2.69])
-AC_INIT([gnome-todo],[3.24.0.1],[https://bugzilla.gnome.org/enter_bug.cgi?product=gnome-todo],[gnome-todo])
+AC_INIT([gnome-todo],[3.24.1],[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 +51,17 @@
   </kudos>
 
   <releases>
+    <release date="2017-05-09" version="3.24.1">
+      <description>
+        <p>
+          This is the second stable release for GNOME 3.24.1, and adds many new features
+          and most importantly, stability improvements.
+        </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="2017-04-24" version="3.24.0">
       <description>
         <p>