* doc/doxyfuns.sty,
	* doc/milena.sty: share commands between the various documents.

	* doc/ref_guide/ref_guide.tex: Fix a compilation issue.

	* doc/tools/todoxygen.sh: Split doxygen pages correctly.

	* doc/white_paper/Makefile.am: add path to shared commands.

	* doc/tutorial/tutorial.tex,
	* doc/white_paper/white_paper.tex: use shared commands.

git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@3581 4aad255d-cdde-0310-9447-f3009e2ae8c0