* mln/arith/all.hh: Update.
	* mln/arith/div.hh: New div operator.
	* mln/arith/div.spe.hh: New div operator.
	* mln/io/magick/save.hh: Update.
	* mln/io/plot/save.hh: Update.
	* mln/world/inter_pixel/full.hh: Convert standard image
	  to inter_pixel image.
	* mln/world/inter_pixel/neighb2d.hh: Define standard
	  inter_pixel neighborhood.

git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@3720 4aad255d-cdde-0310-9447-f3009e2ae8c0