Fixes
Fix xss.
Improve youtube bbcode
Avoid php message: "PHP Strict Standards:  Only variables should be passed by reference"
Merge branch 'master' of https://github.com/nerdzeu/nerdz.eu into login-patch
Better getSafeCookieDomainName

It now uses an homemade algorithm to retrieve the similarities between the domain names. Also added a note in the setup skeleton.