* core/component_info.hh (is_valid): Check the bounding box
	validity.

	* core/macros.hh: Add a new macro.

	* debug/decision_image.hh: Remove deprecated preconditions and add
	missing includes.

	* debug/save_linked_bboxes_image.hh: Add the anchor type as
	argument.

	* draw/bounding_box_links.hh: Add the anchor type as argument and
	make use of component information.

	* draw/bounding_boxes.hh: Check the component validity.

	* filter/object_links_non_aligned_simple.hh: Update doc.

	* filter/objects_with_holes.hh: Remove debug and timers. Add
	missing includes.

	* primitive/extract/lines_pattern.hh: Use the window template
	parameter instead of an exact window type.

	* primitive/link/internal/find_several_links.hh: Update code with
	new interfaces.

	* primitive/link/internal/link_functor_base.hh
	(nanchors()): Remove this method.
	(labeled_image()): Add a const version.

	* primitive/link/internal/link_several_dmax_base.hh
	(nanchors(), anchors()): New methods.
	Introduce 'direction_' attribute.

	* debug/several_links_decision_image.hh: Remove deprecated
	preconditions.

	* src/debug/show_links_single_left.cc: Update include.

	* table/internal/align_lines.hh,
	* table/rebuild.hh: Make use of component_set structure.

	* debug/text_areas_image.hh,
	* primitive/regroup/from_single_left_link_wrt_h_ratio.hh: Add
	missing includes.

	* src/contest/hdibco-2010/Makefile.am: Do not consider this tool
	as a test anymore.