BLD: Build on travis' container infrastructure.
BLD: Build on travis' container infrastructure.

It's supposedly faster.

jimgoo/zipline-fork,michaeljohnbennett/zipline,MonoCloud/zipline,umuzungu/zipline,wubr2000/zipline,morrisonwudi/zipline,alphaBenj/zipline,sketchytechky/zipline,CDSFinance/zipline,Scapogo/zipline,chrjxj/zipline,dkushner/zipline,Scapogo/zipline,cmorgan/zipline,magne-max/zipline-ja,grundgruen/zipline,enigmampc/catalyst,cmorgan/zipline,sketchytechky/zipline,humdings/zipline,humdings/zipline,dkushner/zipline,dmitriz/zipline,morrisonwudi/zipline,aajtodd/zipline,zhoulingjun/zipline,nborggren/zipline,quantopian/zipline,quantopian/zipline,umuzungu/zipline,DVegaCapital/zipline,YuepengGuo/zipline,chrjxj/zipline,wubr2000/zipline,bartosh/zipline,MonoCloud/zipline,michaeljohnbennett/zipline,florentchandelier/zipline,kmather73/zipline,nborggren/zipline,CDSFinance/zipline,dmitriz/zipline,gwulfs/zipline,zhoulingjun/zipline,DVegaCapital/zipline,bartosh/zipline,jimgoo/zipline-fork,otmaneJai/Zipline,kmather73/zipline,ChinaQuants/zipline,wilsonkichoi/zipline,grundgruen/zipline,aajtodd/zipline,otmaneJai/Zipline,wilsonkichoi/zipline,YuepengGuo/zipline,magne-max/zipline-ja,joequant/zipline,ChinaQuants/zipline,gwulfs/zipline,florentchandelier/zipline,alphaBenj/zipline,joequant/zipline,enigmampc/catalyst