Starting revamping world inter-pixel.
	
	* mln/world/inter_pixel/image2full.hh: Rename as...
	* mln/world/inter_pixel/immerse.hh: ...this new file.
	(image2full): Rename as...
	(immerse): ...this.
	Revamp.
	* mln/world/inter_pixel/separator_to_pixels.hh: New.
	* mln/world/inter_pixel/is_separator.hh: New.
	* mln/world/inter_pixel/is_pixel.hh: New.
	* mln/world/inter_pixel/compute.hh: New.
	* mln/world/inter_pixel/make: New directory.
	* mln/world/inter_pixel/neighb2d.hh: Fix ending guard.
	* mln/world/inter_pixel/display_edge.hh: Likewise.
	* mln/core/macros.hh (mln_unmorph, mln_unmorph_): New.
	* mln/core/point.hh (point): Fix warning.
	Add static check.
	* mln/core/internal/image_morpher.hh (unmorph): New typedef.
	* mln/core/internal/pixel_impl.hh
	(pixel_impl_): Fix compile errors with g++-3.4.
	* mln/core/concept/gpoint.hh (operator*): New overload with scalar.
	(trait): New corresponding trait.
	* tests/world/inter_pixel/compute.cc: New.
	* tests/world/inter_pixel/immerse.cc: New.
	* tests/world/inter_pixel/Makefile.am: Update.

	Fix missing code for operator less with builtins.
	
	* mln/value/builtin/ops.hh:
	(mln_internal_decl_op_less_): New.
	(mln_internal_def_op_less_): New.
	(mln_internal_builtins_op_less_): New.

	Misc.
	
	* mln/accu/stat/all.hh: New.
	* mln/accu/all.hh: Update.
	* mln/convert/to_fun.hh: Upgrade doc style.
	* mln/data/paste_without_localization.hh: New.
	* mln/data/paste.hh: New static check.
	* mln/fun/c.hh: Likewise.
	Fix ending guard.

	Augmenting accumulators.
	
	* mln/accu/stat/var.hh (mean_t): New typedef.
	(to_result, mean): Fix null_ construction.
	* tests/accu/stat: New directory.
	* tests/accu/stat/Makefile.am: New.
	* tests/accu/stat/var.cc: New.
	* tests/accu/Makefile.am: Update.

	Augmenting fun :-)
	
	* mln/fun/access: New directory.
	* mln/fun/access/all.hh: New.
	* mln/fun/access/mean.hh: New.
	* mln/fun/all.hh: Update.
	* mln/fun/stat: New.
	* mln/fun/stat/all.hh: New.
	* mln/fun/stat/mahalanobis.hh: New.
	* tests/fun/stat: New.
	* tests/fun/stat/mahalanobis.cc: New.
	* tests/fun/stat/Makefile.am: New.
	* tests/fun/Makefile.am: Update.


git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@3768 4aad255d-cdde-0310-9447-f3009e2ae8c0