* mln/core/concept/site_set.hh (operator): Move...
	* mln/core/site_set/operators.hh: ...in this new file.
	* mln/core/concept/site_set.hh
	(todo): Remove; done.
	(include): Update.
	(from_to): New overload for std::set <-> Site_Set.
	* mln/core/site_set/all.hh: Update.
	* mln/core/site_set/p_set.hh: Upgrade doc style.
	* mln/core/concept/all.hh: New.
	* mln/core/all.hh: Update.
	* mln/convert/to_std_set.hh: Remove; obsolete thanx to
	from_to; see above.
	* mln/convert/all.hh: Update.
	* mln/convert/from_to.hxx: Update.
	* mln/set/is_subset_of.hh: Remove.  It was redundant with...
	* mln/core/site_set/operators.hh (operator<=): ...this.
	* mln/set/inter.hh,
	* mln/set/diff.hh,
	* mln/set/uni.hh,
	* mln/set/compute.hh,
	* mln/set/sym_diff.hh: Update.
	(Window): Remove related code.  It was redundant with
	routines in...
	* mln/win: ...this directory.
	* mln/set/all.hh: Update.
	* mln/util/lemmings.hh (include): Remove useless.
	* tests/core/site_set/operators.cc: New.
	* tests/set/uni.cc,
	* tests/set/sym_diff.cc,
	* tests/set/inter.cc: Update.
	* tests/set/is_subset_of.cc: Remove.
	* tests/set/Makefile.am: Update.

	Subsequent changes.
	
	* tests/unit_test/mln_convert_to_std_set.cc: Remove.
	* tests/unit_test/mln_set_is_subset_of.cc: Remove.
	* tests/unit_test/Makefile.am: Up.
	* tests/core/site_set/Makefile.am: Up.


git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@3006 4aad255d-cdde-0310-9447-f3009e2ae8c0