Added login page
Added pizza slide beside the title

Enjoy :)
Merge branch 'philippe-branch'
Added login support
Fixes Phil failing to use session variables like a baws
Switches to cookie sessions
Merge branch 'philippe-branch' of https://github.com/Prismik/pepito-pizzeria into francis-branch
Adds authentification clean cut
Adds register page
Merge branch 'master' into francois-branch
add missing ";"