* mln/morpho/approx: New directory.
	* mln/morpho/approx/dilation.hh: New.
	* mln/morpho/approx/erosion.hh: New.
	* mln/morpho/approx/all.hh: New.
	* mln/morpho/closing/approx: New directory.
	* mln/morpho/closing/approx/all.hh: New.
	* mln/morpho/closing/approx/structural.hh: New.
	* mln/morpho/opening/approx: New directory.
	* mln/morpho/opening/approx/structural.hh: New.
	* mln/morpho/opening/approx/all.hh: New.
	* mln/morpho/all.hh: Update.
	* tests/morpho/approx: New directory.
	* tests/morpho/approx/erosion.cc: New.
	* tests/morpho/approx/dilation.cc: New.
	* tests/morpho/approx/Makefile.am: New.
	* tests/morpho/closing/approx: New directory.
	* tests/morpho/closing/approx/structural.cc: New.
	* tests/morpho/closing/approx/Makefile.am: New.
	* tests/morpho/closing/Makefile.am: Update.
	* tests/morpho/opening/approx: New directory.
	* tests/morpho/opening/approx/structural.cc: New.
	* tests/morpho/opening/approx/Makefile.am: New.
	* tests/morpho/opening/Makefile.am: Update.
	* tests/morpho/Makefile.am: Update.


git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@3484 4aad255d-cdde-0310-9447-f3009e2ae8c0