added License
added License

lvminmin/lvminmin.github.com,lucanos/GoogleAuthenticator.php,rande/GoogleAuthenticator,denny0223/GoogleAuthenticator,scottrobertson/GoogleAuthenticator,sonata-project/GoogleAuthenticator,Soullivaneuh/SonataGoogleAuthenticator,chregu/GoogleAuthenticator.php,lvminmin/lvminmin.github.com,AwardWallet/GoogleAuthenticator,lvminmin/lvminmin.github.com,Soullivaneuh/SonataGoogleAuthenticator