First version of the all code

All "Markdown" base versions to build a final PHP full versio
Refund of the index to test MultiMarkdown

As every systems have not MultiMarkdown installed, I put the parse
result of "MD_syntax.md" in "MD_syntax.html". I reviewed the index menu
to test this …
Attributes for images and links are OK

Attributes for images and links references are OK as long as they are
on a single line (for now …) - they are rebuilt to be all like [a="b"]
I add a cheat sheet tool (HTML)

I finally put the Markdown syntax cheat cheat in this project, there it
has some sense ...
Renaming of the project to 'PHP Extended Markdown'

I really tried to find a name that makes sense for this project and,
finally, it will be "PHP Extended Markdown" - I renamed all
dependencies (basically the index and the cheat sheet)
Fully Object Oriented version

This is a try: I fully rewrite the PHP_Extended version in Object
Models … All syntax features are "Filters" and other transformations
are "Tools" - I also write a command line manager for this version -
not sure about the basic idea … but it works fine and is more flexible
- all has to be documented!!
Clearing files and completing the Extended simple version
Compilation version for tests ...
Cleaning...
OK, the full version of PHP Extended Markdown seems to be ready :)

Cleaning all other versions, I just let the PHP Extended one, last goal
of the project.
Some more cleaning ...
First fully functional version

With a README and license informations
Corrections on the README
Remind every parser instance in stacks
A comit just to retain this version

All filters are in "build/Grammar/" and the whole Grammar class is
re-built by index_dev.php - All HTML tags are made by the
OutputFormater ... A doc will be a serious but required work :(