#1 New Checkout Version

[Saad Tazi]

The new checkout Version is in progress...

We have to:
- Add the shipping module (Flat and other kind)
- Verify the value received by the server (e-mail, ...)
- Create a ressource Bundle for locales (vo?)
- remove the Checkout Data from session if the
customer log out (and log in).
- many other things that we will discover when testing
this new version...