images to windows.

	* ChangeLog: Add missing former entry.
	* core/concept/image.hh (value): Add missing code.
	(qiter, fwd_qiter, bkd_qiter): Move to...
	* core/concept/window.hh: ...here.
	(point): New virtual type.
	* core/concept/neighborhood.hh (point): Likewise.
	* core/2d/aliases.hh,
	* core/2d/neighb2d.hh,
	* core/2d/dpoint2d.hh,
	* core/2d/window2d.hh,
	* core/2d/box2d.hh: Update.
	* core/gen/dpoints_piter.hh (include): Remove useless ones.
	* oln/core/internal/neighborhood_base.hh: New.
	* core/gen/neighb.hh: Update inheritance.
	* oln/core/internal/window_base.hh: New.
	* core/gen/window.hh: Update inheritance.
	(vtypes): Update.
	* core/internal/point_set_std_based.hh: Fix missing return.
	* core/internal/image_base.hh: Update.
	* core/internal/point2d.hh: Fix wrong visibility.


git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@858 4aad255d-cdde-0310-9447-f3009e2ae8c0