* milena/doc/Doxyfile.in: fix missing backspace.

	* milena/doc/examples/extend.cc: add missing include.

	* milena/doc/ref_guide/ref_guide.tex: fix typo.

	* milena/doc/tools/clearbanner.sh: new tool to remove hevea banner.

	* milena/doc/tutorial/tutorial.tex: add navigation links.

	* milena/doc/white_paper/white_paper.tex: do not use pgf.

	* milena/tests/unit_test/unit-tests.mk,
	* milena/headers.mk: update.

	* milena/mln/metal/equal.hh,
	* milena/mln/metal/is.hh,
	* milena/mln/metal/is_a.hh: add comments.

	* milena/mln/transform/influence_zone_geodesic.hh,
	* milena/mln/transform/internal/influence_zone_functor.hh: allow to
	set a different value for the background.

	* milena/mln/value/shell.hh: temporary re-enable the commented
	overload of set_ and comment the other one.

	* milena/tests/Makefile.am: fix pretty-check rule.

	* milena/tests/extract/blue.cc,
	* milena/tests/extract/green.cc,
	* milena/tests/extract/red.cc: improve tests.

	* milena/tests/extract/Makefile.am,
	* milena/tests/extract/hue.cc,
	* milena/tests/extract/lum.cc,
	* milena/tests/extract/sat.cc: new tests.

git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@4001 4aad255d-cdde-0310-9447-f3009e2ae8c0