Update .travis.yml
Update .travis.yml

Former-commit-id: 8da540d664b6a3b4811a74c4681c33625a8be98d
vittvolt/15721-peloton,cmu-db/peloton,phisiart/peloton-p3,vittvolt/peloton,jessesleeping/iso_peloton,cmu-db/peloton,ShuxinLin/peloton,AngLi-Leon/peloton,PauloAmora/peloton,cmu-db/peloton,cmu-db/peloton,AllisonWang/peloton,wangziqi2016/peloton,phisiart/peloton-p3,ShuxinLin/peloton,AllisonWang/peloton,seojungmin/peloton,malin1993ml/peloton,PauloAmora/peloton,AngLi-Leon/peloton,eric-haibin-lin/peloton-1,prashasthip/peloton,haojin2/peloton,vittvolt/peloton,wangziqi2016/peloton,wangziqi2016/peloton,malin1993ml/peloton,vittvolt/15721-peloton,apavlo/peloton,phisiart/peloton-p3,AllisonWang/peloton,yingjunwu/peloton,vittvolt/peloton,vittvolt/15721-peloton,haojin2/peloton,AllisonWang/peloton,cmu-db/peloton,prashasthip/peloton,malin1993ml/peloton,haojin2/peloton,wangziqi2016/peloton,ShuxinLin/peloton,vittvolt/peloton,jessesleeping/iso_peloton,phisiart/peloton-p3,seojungmin/peloton,seojungmin/peloton,PauloAmora/peloton,jessesleeping/iso_peloton,AngLi-Leon/peloton,jessesleeping/iso_peloton,apavlo/peloton,PauloAmora/peloton,haojin2/peloton,PauloAmora/peloton,phisiart/peloton-p3,ShuxinLin/peloton,eric-haibin-lin/peloton-1,vittvolt/15721-peloton,yingjunwu/peloton,yingjunwu/peloton,eric-haibin-lin/peloton-1,haojin2/peloton,vittvolt/15721-peloton,yingjunwu/peloton,eric-haibin-lin/peloton-1,ShuxinLin/peloton,cmu-db/peloton,apavlo/peloton,vittvolt/15721-peloton,prashasthip/peloton,prashasthip/peloton,AllisonWang/peloton,PauloAmora/peloton,jessesleeping/iso_peloton,malin1993ml/peloton,yingjunwu/peloton,ShuxinLin/peloton,AllisonWang/peloton,eric-haibin-lin/peloton-1,jessesleeping/iso_peloton,vittvolt/peloton,eric-haibin-lin/peloton-1,vittvolt/peloton,prashasthip/peloton,apavlo/peloton,wangziqi2016/peloton,jessesleeping/iso_peloton,haojin2/peloton,seojungmin/peloton,seojungmin/peloton,malin1993ml/peloton,malin1993ml/peloton,prashasthip/peloton,AngLi-Leon/peloton,apavlo/peloton,wangziqi2016/peloton,phisiart/peloton-p3,yingjunwu/peloton,seojungmin/peloton,apavlo/peloton,AngLi-Leon/peloton,AngLi-Leon/peloton