[gtkmm] Created tag 3.5.6

[Murray Cumming <murrayc src gnome org>]

The unsigned tag '3.5.6' was created.

Tagger: Murray Cumming <murrayc murrayc com>
Date: Wed Jul 11 12:23:33 2012 +0200

    3.5.6

Changes since the last tag '3.5.4':

Kjell Ahlstedt (2):
      AppChooserDialog: Fix property name in constructors.
      Fix wrap_init() for Quartz (MacOS).

Mark Vender (1):
      Pixbuf: add const version of save() and friends

Murray Cumming (11):
      Application: run(): Do not show the window until activation.
      gen_scripts: Do not require a change to the PATH environment variable.
      Regenerate most .defs and .xml files.
      Add some extra .defs entries needed for documentation.
      Add some new methods.
      WidgetPath: Add some methods.
      Add an extra .defs entry needed for documentation.
      Added Gtk::SearchEntry.
      Regenerate some GTK+ defs and docs files.
      Added Gtk::MenuButton.
      3.5.6