* mln/morpho/tree/data.hh,
	* mln/morpho/tree/propagate_node.hh,
	* sandbox/edwin/tests/sharpness_attribute.cc:
	Rename predorder iterator by depth1st iterator.

git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@3987 4aad255d-cdde-0310-9447-f3009e2ae8c0