New tutorial revision

[nicolas.pelletier3 at free.fr]

"Massimo Dentico" <m.dentico at virgilio.it> writes:

> 
> It is to note, also, that the Cygwin DLL overhead is not essential
> to compile the Slate VM (at least until recently: correct me if this
> is changed). You can compile a VM which references the Windows native
> API with MinGW (http://mingw.org/) or other C compilers (but MS VC++
> seems tricky).

Thank you for  pointing this out, I did not know  MinGW was enough (my
Windosw  experience is  quite limited).  This is  now included  in the
tutorial.

-- 
Nicolas