Generate the Mtalk documentation (User and Developper's Guide) as follows:

1. Install Doxygen

	# apt-get install doxygen
	# apt-get install doxygen-gui

2. Build the Mtalk documentation set

	$ make doc

3. Look to the Mtalk User's Guide to proceed

	cd doc/mtalk-usr-guide/    (get the mtalk-usr-guide.rtf)
	cd doc/mtalk-dev-guide/    (get the mtalk-dev-guide.rtf)

