* oln/core/abstract/image.hh,
	* oln/core/abstract/image_dimension.hh,
	* oln/core/abstract/image_typeness.hh,
	* oln/core/abstract/grid.hh, oln/core/1d/grid1d.hh,
	* oln/core/2d/grid2d.hh, oln/core/3d/grid3d.hh,
	* tests/image_entry.cc (vtypes): Rename as...
	(vtypes_in_category): ...this.
	* oln/core/abstract/image.hh, oln/core/abstract/grid.hh,
	* tests/image_entry.cc (packed_vtypes): Rename as...
	(packed_vtypes_in_category): ...this.

	* oln/core/abstract/point.hh, oln/core/abstract/dpoint.hh,
	* oln/core/abstract/piter.hh, oln/core/abstract/pset.hh,
	* oln/core/gen/bbox.hh,
	* oln/core/gen/bkd_piter.hh, oln/core/gen/fwd_piter.hh,
	* oln/core/2d/point2d.hh, oln/core/2d/dpoint2d.hh (vtypes_):
	Rename as...
	(vtypes).
	* oln/core/abstract/pset.hh, oln/core/abstract/bbox.hh
	(ext_vtype_): Rename as...
	(ext_vtype): ...this.


git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@521 4aad255d-cdde-0310-9447-f3009e2ae8c0