Now shows all users thats in the database

TODO: need to delete user when exit
window.onbeforeunload function in index.html but can't get it to work.
moddified chat js object, now has new fields
have written chat.deleteUser(); but and added case in the process.php
but doesn't seem to be working.
A BIT UNROLLEDBACK
Merge branch 'master' of https://github.com/b59wang/WhoIsTheSpy