Add Dan to CONTRIBUTORS
Add Dan to CONTRIBUTORS

shinh/kati,google/kati,colincross/kati,google/kati,google/kati,shinh/kati,danw/kati,colincross/kati,colincross/kati,shinh/kati,google/kati,shinh/kati,shinh/kati,colincross/kati,danw/kati,shinh/kati,danw/kati,colincross/kati,danw/kati,danw/kati,colincross/kati,danw/kati,google/kati