Name fixes for the GUI about dialog.
The function gui_bieri.about.about_relax() has been renamed to gui_bieri.about.show_about_gui() to better reflect an action. The class method aboutGUI() has been converted to the relax convention and is now called about_gui().
Authored by: bugman 2010-02-02
Parent: [r10613]
Child: [r10615]
