Add header, footer, and CSS files. Also checking in a modification of the php.ini which causes the header and footer to be included in all pages; the php.ini file belongs in /etc/php5/apache2/php.ini. Finally, the header is modified to include the redirect logic for when a user isn't logged in (but it needs some tuning, as it will not redirect whenever the user is not logged in on any index.php page, including those in subdirectories).