* mln/convert/from_to.hxx,
	* mln/core/routine/init.hxx: remove forward declarations related to
	l2l::relabel.

	* mln/fun/i2v/array.hh: do not inherit from array_base anymore.

	* mln/fun/l2l/all.hh: do not include relabel.hh anymore.

	* mln/labeling/relabel.hh,
	* mln/make/relabelfun.hh: use i2v::array instead.

	* mln/value/lut_vec.hh: remove a constructor overload for
	l2l::relabel.

	* mln/fun/internal/array_base.hh,
	* mln/fun/l2l/relabel.hh: not used anymore. Removed.

git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@3659 4aad255d-cdde-0310-9447-f3009e2ae8c0