* milena/mln/topo/face.hh
	(mln::topo::face_data<N, D>)
	(mln::topo::n_face<N, D>)
	(mln::topo::n_faces_set<N, D>):
	Move...
	* milena/mln/topo/face_data.hh,
	* milena/mln/topo/n_face.hh,
	* milena/mln/topo/n_faces_set.hh:
	...here (new files).
	* milena/mln/topo/complex.hh,
	* milena/mln/topo/complex_faces_iter.hh,
	* milena/mln/topo/complex_iter.hh,
	* milena/mln/topo/faces_iter.hh:
	Adjust.
	* milena/tests/topo/complex.cc: Update documentation.

git-svn-id: https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008@2416 4aad255d-cdde-0310-9447-f3009e2ae8c0