updated serafini
updated serafini

tofergregg/cs106X-website-winter-2017,tofergregg/cs106X-website-winter-2017,chrispiech/cs106b-fall-2016-website,tofergregg/cs106X-website-winter-2017,chrispiech/cs106b-fall-2016-website,tofergregg/cs106X-website-winter-2017,chrispiech/cs106b-fall-2016-website,tofergregg/cs106X-website-winter-2017,chrispiech/cs106b-fall-2016-website,chrispiech/cs106b-fall-2016-website