* tests/unit_test/Makefile.am,
	* headers.mk: remove entries related to non-commited files.

	* mln/convert/impl/from_image_to_site_set.hh,
	* mln/convert/from_to.hh: Use forward declarations.

	* mln/core/routine/init.hh: fix wrong include.

	* mln/core/site_set/operators.hh: add a missing forward declaration.

git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@3086 4aad255d-cdde-0310-9447-f3009e2ae8c0