* */*.cs : add lgpl license blurb and clean up (c)'s.
* */*.custom : add lgpl license blurb and clean up (c)'s.
* */glue/*.c : add lgpl license blurb and clean up (c)'s.
file adds without license from now on are punishable by wedgie.
svn path=/trunk/gtk-sharp/; revision=30401
* gtk/Gtk.metadata: Hide most RadioButton constructors, for
api reasons
* gtk/RadioButton.custom: add ctor to create a new RadioButton
with its own group to avoid having to pass null
* gtk/gtk-api.xml: regen
svn path=/trunk/gtk-sharp/; revision=21881