* headers.mk: Update distributed headers list.

	* mln/make/image.hh,
	* mln/make/image2d.hh,
	* mln/fun/v2v/convert.hh,
	* mln/core/image/interpolated.hh,
	* mln/convert/from_to.hh: update comments.

	* mln/core/image/graph_window_piter.hh,
	* mln/core/internal/graph_psite_base.hh,
	* mln/core/site_set/p_graph_piter.hh: unify the hook returning the
	underlying element of these piters/psite.

	* mln/fun/x2v/bilinear.hh: Fix a wrong namespace.

	* mln/value/stack.hh: add missing init_ member.

	* tests/core/image/Makefile.am: re-enable interpolated test.

	* tests/fun/x2x/rotation.cc,
	* tests/core/image/interpolated.cc: Fix wrong template arguments.

	* tests/core/other/graph_elt_neighborhood.cc,
	* tests/core/other/graph_elt_window.cc,
	* tests/core/other/line_graph_elt_neighborhood.cc,
	* tests/core/other/line_graph_elt_window.cc: make them compile and
	write a real test.

	* tests/fun/x2x/Makefile.am: re-enable rotation test.

	* tests/labeling/compute.cc: rename label type.

	* tests/unit_test/Makefile.am,
	* tests/unit_test/mln_core_concept_all.cc,
	* tests/unit_test/mln_core_site_set_operators.cc: update unit tests.

git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@3017 4aad255d-cdde-0310-9447-f3009e2ae8c0