* doc/tutorial/tutorial.tex: fix compilation.

	* mln/core/internal/neighb_niter_impl.hh: fix ambiguities and add more
	doc.

	* mln/fun/v2v/rgb_to_hsl.hh: remove duplicate declarations.

	* mln/literal/one.hh,
	* mln/literal/zero.hh: add 'const' qualification to conversion
	operator.

	* mln/make/edge_image.hh: update prototype.

	* mln/make/rag_and_labeled_wsl.hh: remove useless local variable.

	* mln/pw/internal/image_base.hh: add missing include.

	* mln/util/vertex.hh: add missing include and forward declaration.

	* tests/util/set.cc: update header.

git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@3762 4aad255d-cdde-0310-9447-f3009e2ae8c0