corrects a small resize bug in the viewport widget. The viewport widget

corrects a small resize bug in the viewport widget. The viewport widget

        * gtk/gtkviewport.c: corrects a small resize bug in the
          viewport widget.  The viewport widget provides a _set_shadow
          function to draw its shadows. But if GTK_SHADOW_NONE is sent
          to this function, the viewport isn't resized correctly (it's
          still considered as a shadowed widget).  (gtk-fortier-971213-0)

        * gtk/gtknotebook.c: this patch fixes the redraw problems of
          notebook tabs, without using gdk_gc_set_clip_rectangle.
          (gtk-hamann_jeske-971218-0)

        * add gtk_widget_(show/hide)_all (Stefan Wille)
          (gtk-wille-301297-0)  Patch for testgtk not included
          because it did not patch clean.

-Shawn