0.4:

 * Convert over to a new GisPage base class to help prevent
   memory leaks when switching locales.
 * Remove old summary override system with a system that simply
   swaps out the GtkBuilder filename at runtime.
 * Add a simple movie player for the welcome-tour, based on clutter-gst.
 * Fix GTK+-only assistant.
 * Revamp the account page by making it modal dialog-less, and removing
   the avatar picker. (RIP)
 * Use symbolic icons for assistant "next" / "previous" buttons instead
   of using Unicode glyphs.
 * Style and design updates.
 * Code cleanups, misc. fixes, crashes

Code:
 Jasper St. Pierre, Mattias Clasen

Translations:

 Andika Triwidada
 Fran Diéguez
 Gianvito Cavasoli
 Kjartan Maraas
 Matej Urbančič
 Mattias Põldaru
 Piotr Drąg
 Мирослав Николић