* tests/unit_test/unit-tests.mk,
	* doc/tutorial/figures/figures.mk,
	* doc/tutorial/outputs/outputs.mk,
	* doc/tutorial/samples/samples.mk,
	* headers.mk: include new files in distribution.

	* mln/canvas/morpho/algebraic_filter.hh
	* mln/canvas/morpho/algebraic_union_find.hh: fix wrong call to
	find_root.

	* mln/canvas/morpho/internal/find_root.hh: add missing include.

git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@3424 4aad255d-cdde-0310-9447-f3009e2ae8c0