2.99.5 (unstable):

Gtk:
* ButtonBox, Separator, Scale, Scrollbar: Add public constructors.
  (Murray Cumming)
* CellArea, CellRenderer: Added get_request_mode(), 
  get_preferred_[width|height_for_width|height|width_for_height] vfuncs.
  (Kjell Ahlstedt) Bug #639073,
* CellView: Derive from Orientable and add set/get_draw_sensitive(),
	set/get_fit_model() and the new properties.
* EntryCompletion: Derive from Buildable and add the cell-area 
	property.
* IconView: Added the cell_area property.
* Image: Added the set_fallback property.
* Paned: Constructor: Add an optional orientation parameter.
* Widget: Added should_draw_window() and transform_cairo_context_to_window().
  (Murray Cumming)