* plugins/gtk+/glade-gtk.c:
	    - added a general launch_editor action signal handler.
	    - hooked the launch_editor action signal in the GtkMenuItem post_create function.
	    - hooked the launch_editor action signal in the GtkMenuBar post_create function.
	    - created a GtkMenu post_create function containing a hook for the launch_editor
	      action signal.
	  (bug 433055)

	* plugins/gtk+/gtk+.xml.in: 
	    - Added "launch_editor" action to GtkMenuItem.
	    - Added "launch_editor" action to GtkMenuBar.
	    - Added "launch_editor" action and post_create function to GtkMenu.
	  (bug 433055)


svn path=/trunk/; revision=1284