* doc/Doxyfile.in: Enable source code parsing and listing. Fix
	include directories.

	* doc/ref-guide.tex,
	* doc/technical.tex: Use .sty files as input files instead of
	packages.

	* doc/tutorial.tex: Use .sty files as input files instead of
	packages. Fix references.

	* mln/core/concept/object.hh: Fix copyright.

	* mln/accu/take.hh,
	* mln/border/mirror.hh: Here.

	* mln/draw/site_set.hh: Remove call to exact().

	* mln/morpho/skeleton_constrained.hh: Add a missing const in fast
	implementation.

	* mln/topo/is_simple_2d.hh: Add a comment.

	* mln/topo/skeleton/is_simple_point.hh: Fix a wrong neighborhood
	type.

	* tests/topo/skeleton/is_simple_point.cc: Fix compilation.

	* headers.mk,
	* tests/unit_test/unit-tests.mk: Here.

	* mln/core/image/image1d.hh,
	* mln/core/image/image2d.hh,
	* mln/core/image/image3d.hh: Here.

	* mln/core/image/image3d.hh,
	* mln/core/internal/box_impl.hh,
	* mln/core/site_set/box.hh,
	* mln/debug/slices_2d.hh,
	* mln/geom/all.hh,
	* mln/geom/size3d.hh,
	* mln/linear/gaussian.hh,
	* mln/linear/gaussian/impl.hh,
	* mln/make/box3d.hh,
	* mln/make/image.hh,
	* mln/make/image3d.hh,
	* mln/registration/icp.hh,
	* tests/core/alias/box3d.cc,
	* tests/core/image/image3d.cc,
	* tests/geom/Makefile.am,
	* tests/io/pbms/load.cc,
	* tests/io/pgms/load.cc,
	* tests/io/ppms/load.cc: Rename nslices to nslis.

	* mln/geom/nslices.hh,
	* tests/geom/nslices.cc: Rename as...

	* mln/geom/nslis.hh,
	* tests/geom/nslis.cc: ...this.

	* tests/labeling/blobs_and_compute.cc,
	* tests/morpho/skeleton_constrained.cc: Here.

	* mln/morpho/skeleton_constrained.hh,
	* mln/topo/skeleton/is_simple_point.hh: Expect a double
	neighborhood.

	* mln/topo/is_simple_2d.hh: Add a fast implementation.

	* mln/core/point.hh: Fix point1d conversion.

	* mln/debug/draw_graph.hh: Don't write outside output image.

	* mln/win/multiple_size.hh: Avoid a warning.

	* mln/convert/from_to.hxx,
	* mln/util/object_id.hh: Here.

	* src/debug/Makefile.am: New targets.

	* src/debug/show_groups_bboxes_filtered.cc,
	* src/debug/show_text_lines_wo_seps.cc: New.

	* mln/core/point.hh: Round float values.

	* tests/geom/rotate.cc: Check precision issues

	* mln/morpho/skeleton_constrained.hh,
	* mln/topo/skeleton/crest.hh: Add fastest versions.

	* mln/topo/skeleton/is_simple_point.hh: Rewrite as functor and add
	fastest versions.

	* tests/topo/skeleton/is_simple_point.cc: Fix test.

	* headers.mk,
	* tests/unit_test/unit-tests.mk: Here.

	* headers.mk,
	* tests/unit_test/unit-tests.mk: Here.

	* mln/convert/impl/from_unsigned_to_value.hh,
	* mln/value/label.hh: Here.

	* mln/debug/iota.hh,
	* mln/debug/iota.spe.hh: Here.

	* mln/value/equiv.hh: Return values by copy.

	* mln/canvas/browsing/depth_first_search.hh,
	* mln/debug/filename.hh,
	* mln/debug/quiet.hh,
	* mln/labeling/colorize.hh,
	* mln/math/pi.hh: Add missing MLN_WO_GLOBAL_VARS guards.

	* mln/core/concept/proxy.hxx
	(internal::helper_unproxy_rec< P, true >::P_)
	(internal::helper_unproxy_rec< const P, true >::P_):
	Remove these intermediate typedefs...
	(internal::helper_unproxy_rec< P, true >::ret)
	(internal::helper_unproxy_rec< const P, true >::ret):
	...to inline these definitions.
	* mln/util/array.hh
	(internal::subject_impl<util::array<T>&, E>::operator())
	(internal::subject_impl<util::array<T>&, E>::operator[])
	(internal::subject_impl<const util::array<T>&, E>::operator() const)
	(internal::subject_impl<const util::array<T>&, E>::operator[] const):
	* mln/core/site_set/p_graph_piter.hh
	(internal::subject_impl< const p_graph_piter<S,I>&, E >::graph):
	Use the exact same return type as in the declaration.