* oln/core/abstract/image/dimension/2d.hh
	* oln/core/abstract/image/dimension/3d.hh
	* oln/core/abstract/image/dimension/hierarchy.hh
	* oln/core/1d/grid1d.hh, oln/core/2d/grid2d.hh,
	* oln/core/3d/grid3d.hh, oln/core/2d/array2d.hh,
	* oln/core/2d/dpoint2d.hh, oln/core/2d/point2d.hh,
	* tests/image1d.cc, tests/image2d.cc, tests/image3d.cc,
	* tests/image_entry.cc, tests/io_pnm.cc, tests/Makefile.am:
	Aesthetic changes.


git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@622 4aad255d-cdde-0310-9447-f3009e2ae8c0