First look at DashWeb

Changes :
- Main class renamed.
- New class HTTPServer created.

How does it work :
- run "java DashWeb"
- then launch your browser and go to
"http://localhost:8013/dash?site=www.xyz.org%2fmain.php"
- back to your terminal, you should see sthg like : "RECEIVED FROM
CLIENT : GET /dash?site=www.xyz.org%2fmain.php HTTP/1.1"