add user agent to session for additional security (I know it's easily fakeable, but I can live with that)
add user agent to session for additional security
(I know it's easily fakeable, but I can live with that)

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