faces-related entities.

	* mln/core/complex_psite.hh: Rename as...
	* mln/core/faces_psite.hh: ...this.
	(mln::complex_psite<P, N, D>): Turn into...
	(mln::faces_psite<N, D, P>): ...this.
	* mln/core/p_complex.hh: Rename as...
	* mln/core/p_faces.hh: ...this.
	(mln::p_complex<P, N, D>): Turn into...
	(mln::p_faces<N, D, P>): ...this.
	* mln/core/complex_psite.hh, mln/core/p_complex.hh: New.
	* tests/core/complex.cc: Exercise the variants of
	mln::complex<D>::nfaces().
	* tests/core/p_complex.cc: Rename as...
	* tests/core/complex_image.cc: ...this.
	Exercise mln::p_complex, mln::complex_psite, and mln::faces_psite.
	* tests/core/Makefile.am (check_PROGRAMS):
	s/p_complex/complex_image/.
	(p_complex_SOURCES): Likewise.
	Rename as...
	(complex_image_SOURCES): ...this.


git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@2128 4aad255d-cdde-0310-9447-f3009e2ae8c0