Added README
Added README

JanRinaldo/cs171-hw-sousa-jan,zonakostic/homework-test,ma350365879/cs171-hw-yijun-ma-data-visualization,ma350365879/cs171-hw-yijun-ma-data-visualization,amadord903/cs171-hw-amador-daniel,ywu01/cs171-hw-wu-yanlin,emirshekari/cs171-hw-mirshekari-e,JanRinaldo/cs171-hw-sousa-jan,CS171/2015-cs171-homework,ckzheng/cs171-hw-zheng-siqi,jaco8/cs171-hw-zhu-yuhao,jaypfinnegan/cs171-hw-finnegan-john,ywu01/cs171-hw-wu-yanlin,emirshekari/cs171-hw-mirshekari-e,ckzheng/cs171-hw-zheng-siqi,dingchaoz/cs171-hw-zhang-dingchao,nbsantos/cs171-hw-santos-nelson,marcemacias/data-visualization,Rehkaf/cs171-hw-fakher,nbsantos/cs171-hw-santos-nelson,dahoang92/2015-cs171-homework,tjsanfo/CS171_homework,jaypfinnegan/cs171-hw-finnegan-john,CS171/2015-cs171-homework,sandhoefner/cs171-hw-sandhoefner-evan,jaypfinnegan/cs171-hw-finnegan-john,dtan44/cs171-hw-tan-dylan,dingchaoz/cs171-hw-zhang-dingchao,amadord903/cs171-hw-amador-daniel,dahoang92/2015-cs171-homework,sandhoefner/cs171-hw-sandhoefner-evan,olinguyen/2015-cs171-homework,olinguyen/2015-cs171-homework,Firenze11/cs171-hw-li-lezhi,dtan44/cs171-hw-tan-dylan,marcemacias/data-visualization,Rehkaf/cs171-hw-fakher,Firenze11/cs171-hw-li-lezhi