* mln/core/complex_image.hh: New.
	* mln/trait/ch_value.hh
	(mln::trait::impl::ch_value_<M<D, tag::psite_<P>, tag::value_<T> >, V>):
	New specialization for mln::complex_image<D, P, T>.
	* mln/core/p_complex.hh (mln::p_complex<D, P>::cplx):
	New mutable accessor.
	* mln/core/complex_psite.hh
	(mln::complex_psite<D, P>::n)
	(mln::complex_psite<D, P>::face_id):
	New accessors.
	* mln/core/face.hh
	(any_face_handle<D>::any_face_handle(const face_handle<N, D>&)):
	New ctor.
	(any_face_handle<D>::any_face_handle(const any_face_handle<D>&)):
	Don't forget to initialize n_.
	(any_face_handle<D>::any_face_handle(complex<D>&, unsigned, unsigned)):
	Ensure N is compatible with D.
	* tests/core/complex_image.cc: Exercise mln::complex_image.


git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@2143 4aad255d-cdde-0310-9447-f3009e2ae8c0