DOC: Add note on installation to setting up dev env.
DOC: Add note on installation to setting up dev env.

dmitriz/zipline,jordancheah/zipline,joequant/zipline,jimgoo/zipline-fork,magne-max/zipline-ja,YuepengGuo/zipline,gwulfs/zipline,humdings/zipline,cmorgan/zipline,erikness/AlephOne,euri10/zipline,michaeljohnbennett/zipline,florentchandelier/zipline,iamkingmaker/zipline,sketchytechky/zipline,semio/zipline,morrisonwudi/zipline,stkubr/zipline,mattcaldwell/zipline,YuepengGuo/zipline,enigmampc/catalyst,umuzungu/zipline,zhoulingjun/zipline,nborggren/zipline,humdings/zipline,dhruvparamhans/zipline,AlirezaShahabi/zipline,stkubr/zipline,AlirezaShahabi/zipline,quantopian/zipline,MonoCloud/zipline,kmather73/zipline,ronalcc/zipline,chrjxj/zipline,Scapogo/zipline,grundgruen/zipline,otmaneJai/Zipline,wilsonkichoi/zipline,gwulfs/zipline,Scapogo/zipline,umuzungu/zipline,ChinaQuants/zipline,chrjxj/zipline,keir-rex/zipline,dmitriz/zipline,keir-rex/zipline,mattcaldwell/zipline,kmather73/zipline,otmaneJai/Zipline,euri10/zipline,alphaBenj/zipline,nborggren/zipline,alphaBenj/zipline,magne-max/zipline-ja,dhruvparamhans/zipline,bartosh/zipline,ronalcc/zipline,CDSFinance/zipline,DVegaCapital/zipline,morrisonwudi/zipline,florentchandelier/zipline,jordancheah/zipline,joequant/zipline,zhoulingjun/zipline,sketchytechky/zipline,cmorgan/zipline,dkushner/zipline,DVegaCapital/zipline,aajtodd/zipline,jimgoo/zipline-fork,michaeljohnbennett/zipline,dkushner/zipline,CDSFinance/zipline,StratsOn/zipline,erikness/AlephOne,iamkingmaker/zipline,MonoCloud/zipline,enigmampc/catalyst,bartosh/zipline,grundgruen/zipline,StratsOn/zipline,ChinaQuants/zipline,aajtodd/zipline,semio/zipline,wilsonkichoi/zipline,wubr2000/zipline,quantopian/zipline,wubr2000/zipline