* oln/core/automatic/image/mutable_image1d.hh: Fix header guards,
	(were the same as oln/core/automatic/image/image1d.hh's).
	(oln::abstract::mutable_image1d): Forward-declare it.
	s/abstract::image1d/abstract::mutable_image1d/g.
	* oln/core/abstract/image/dimension/1d.hh (mutable_image1d)
	* oln/core/abstract/image/dimension/2d.hh (mutable_image2d)
	* oln/core/abstract/image/dimension/3d.hh (mutable_image3d): Fix
	the lookup of impl_at().
	* oln/core/type_fun/slice.hh: Remove unnecessary headers.
	* oln/core/abstract/array.hh, oln/core/abstract/functions.hh,
	* oln/core/internal/point_nd.hh, oln/morpher/thru_mfun.hh: Add
	missing headers.
	* oln/morpher/thru_fun.hh (xtd/mexpr.hh): Include it.
	(struct case_<tag::fun_operator_1, mlc::pair_<Fun, A>, 1>): Turn
	into...
	(struct case_<tag::fun_operator_1, mlc::pair_<Fun, A>, 2>):
	...this.
	* oln/value/proxy.hh: Fix header guards.
	(oln/core/typedefs.hh): Include it.
	* oln/Makefile.am (nobase_oln_HEADERS): Add 
	core/abstract/image/computability/hierarchy.hh,
	core/abstract/image/value_wise_accessibility/hierarchy.hh,
	core/automatic/image/image_being_value_wise_random_accessible.hh,
	core/gen/topo_add_isubset.hh, core/gen/fwd_viter_lut.hh,
	core/internal/fwd_viter_lut.hh and value/two_way.hh.


git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@688 4aad255d-cdde-0310-9447-f3009e2ae8c0