3.4.0: * Application examples: Add an AppMenu example. (Murray Cumming) * Improve the Entry and ComboBox with Entry sections. (Kjell Ahlstedt) Bug #655489 * Replace the deprecated Gtk::Entry::signal_activate() by signal_key_press_event(). (Kjell Ahlstedt) Bug #655489. * Install all screenshots used in the tutorial. (Kjell Ahlstedt) Bug #655489.