Use newer npm on node .8 so travis stops complaining.
Use newer npm on node .8 so travis stops complaining.

rbramwell/request,neo-z/request,lalitkapoor/request,Prasanna-sr/request,udp/request,Codelegant92/request,kublaj/request,h1bomb/request,cvibhagool/request,not001praween001/request,beni55/request,robu3/request,seegno-forks/request,pablobrady/request,watson/request,Jonekee/request,whembed197923/request,LoicMahieu/request,Aloomaio/request,udp/request,pho3nixf1re/request,zodsoft/request,simov/request,lalitkapoor/request,czardoz/request,wangchi/request,kublaj/request,Prasanna-sr/request,jzaefferer/request,sean3z/request,jsifuentes/request,phillipj/request,not001praween001/request,MofeLee/request,chaoliu/request,kevinburke/request,paulomcnally/request,MofeLee/request,watson/request,mvnnn/request,robu3/request,nishant8BITS/request,niklabh/request,faradayio/request,zhouweiming/request,motopia/request,pho3nixf1re/request,zodsoft/request,phillipj/request,IbpTeam/node-request,nishant8BITS/request,kmulvey/request,lxe/request,manishnakar/request,chaoliu/request,HAKASHUN/request,beni55/request,NewGyu/request,neo-z/request,h1bomb/request,zhouweiming/request,NewGyu/request,xiwc/request,czardoz/request,kmulvey/request,simov/request,IveWong/request,blabno/request,xtidt/request,wakermahmud/request,rbramwell/request,HAKASHUN/request,request/request,Jonekee/request,IveWong/request,manishnakar/request,jsifuentes/request,blabno/request,xiwc/request,pablobrady/request,linalu1/request,ryanwholey/request,calibr/request,paulomcnally/request,longwenjunjie/request,ryanwholey/request,jzaefferer/request,lxe/request,wakermahmud/request,longwenjunjie/request,motopia/request,sean3z/request,IbpTeam/node-request,niklabh/request,mvnnn/request,cvibhagool/request,seegno-forks/request,xtidt/request,djchie/request,faradayio/request,linalu1/request,Codelegant92/request,LoicMahieu/request,calibr/request,kevinburke/request,request/request,Aloomaio/request,djchie/request,whembed197923/request,wangchi/request