fix(README): add curl -L everywhere
fix(README): add curl -L everywhere

just add -L everywhere so curl doesn't error out on redirects.

chai2010-playground/etcd,asim/etcd,luxas/etcd,princeqjzh/etcd,es-chow/etcd,Ulexus/etcd,xueshanf/etcd,luxas/etcd,visheshnp/etcd,siddontang/etcd,xdlinear/etcd,gae123/etcd,lumjjb/etcd,lzbgt/etcd,nekto0n/etcd,mgoelzer/etcd-fork2,yudai/etcd,polvi/etcd,StorReduce/etcd,mitake/etcd,csuideal/etcd,spacejam/etcd,nekto0n/etcd,elimisteve/etcd,fasaxc/etcd,njucslqq/etcd,njharman/etcd,giantswarm/etcd,mwitkow/etcd,openedbox/etcd,offscale/etcd,jmptrader/etcd,nkhare/etcd,dalanlan/etcd,mkumatag/etcd,whuwxl/etcd,gityf/etcd,rnaveiras/etcd,insequent/etcd,xiang90/etcd,honeyqa/etcd,coreos/etcd,imzhulei/etcd,siddontang/etcd,crandles/etcd,svdata/etcd,delkyd/etcd,buaazp/etcd,spacejam/etcd,openedbox/etcd,qiaochao911/etcd,akauppi/etcd,lorneli/etcd,glycerine/etcd,cvik/etcd,glevand/coreos--etcd,mkumatag/etcd,olark/etcd,ylong/etcd,qqsun8819/etcd,xebitstudios/etcd,jravetch/etcd,wfxiang08/etcd,xebitstudios/etcd,tguangch/etcd,dterei/etcd,betawaffle/etcd,jmptrader/etcd,yichengq/etcd,kingland/etcd,mkumatag/etcd,xychu/etcd,etcd-io/etcd,hzy001/etcd,glensc/etcd,improbable-io/etcd,tamird/etcd,robszumski/etcd,TheHippo/etcd,swingbach/etcd,linuxcer/etcd,cchamplin/etcd,tempbottle/etcd,beni55/etcd,chenbaihu/etcd,dterei/etcd,ecnahc515/etcd,hroyrh/etcd,giantswarm/etcd,chipironcin/etcd,freeloop1114/etcd,oscarrr110/etcd,wantonsolutions/dinv-etcd,chai2010/etcd,crandles/etcd,nkhare/etcd,mischief/etcd,QuantiumTechnology/etcd,kingland/etcd,sinsharat/etcd,akauppi/etcd,jlamillan/etcd,mike-lerch/etcd,olark/etcd,Ulexus/etcd,cvik/etcd,mickep76/etcd,wowsoso/etcd,fanminshi/etcd,mischief/etcd,hongbinz/etcd,shawnps/etcd,shakefu/etcd,glycerine/etcd,hongchaodeng/etcd,kkaneda/etcd,steveeJ/etcd,Yhgenomics/etcd,sofuture/etcd,whuwxl/etcd,dnaeon/etcd,yudai/etcd,plasticbox/etcd,yifan-gu/etcd,xdlinear/etcd,ecnahc515/etcd,lorneli/etcd,gyuho/etcd,mitake/etcd,pigfoot/etcd,bdarnell/etcd,ravigadde/etcd,tangkun75/etcd,westhood/etcd,HideoYamauchi/etcd,westhood/etcd,gouyang/etcd,OyTao/etcd_learning,iamqizhao/etcd,mwitkow-io/etcd,delkyd/etcd,xiang90/etcd,linuxcer/etcd,jeremyeder/etcd,bakins/etcd,bakins/etcd,ajityagaty/etcd,coreos/etcd,snailwalker/etcd,yichengq/etcd,dannysauer/etcd,cognusion/etcd,junxu/etcd,iamqizhao/etcd,etcd-io/etcd,elimisteve/etcd,shafreeck/etcd,jefby/etcd,mwitkow/etcd,axingblog/etcd,SivagnanamCiena/etcd,axingblog/etcd,snailwalker/etcd,xychu/etcd,bluebreezecf/etcd,vimalk78/etcd,justintung/etcd,Timer/etcd,dannysauer/etcd,Ulexus/etcd,hpcloud/etcd,fgbreel/etcd,gityf/etcd,lzbgt/etcd,Eagle-X/etcd,ktateish/etcd,honeyqa/etcd,es-chow/etcd,sofuture/etcd,ylong/etcd,barakmich/etcd,gtank/etcd,cloudfoundry/etcd,qqsun8819/etcd,junxu/etcd,ravigadde/etcd,bdarnell/etcd,heyitsanthony/etcd,YuleiXiao/etcd,insionng/etcd,philips/etcd,arthurcolle/etcd,nieanan/etcd,endocode/etcd,handsomesun/etcd,princeqjzh/etcd,hongchaodeng/etcd,QuantiumTechnology/etcd,oscarrr110/etcd,YuleiXiao/etcd,jchauncey/etcd,OyTao/etcd_learning,pauldallen/etcd,youxidev/etcd,li-ang/etcd,CrazyJvm/etcd,cloudfoundry/etcd,Winslett/etcd,cvik/etcd,cockroachdb/etcd,sebschrader/etcd,onlyjob/etcd,gae123/etcd,fanminshi/etcd,etcd-io/etcd,ajityagaty/etcd,yifan-gu/etcd,fasaxc/etcd,dalanlan/etcd,sayden/etcd,insionng/etcd,arthurcolle/etcd,jravetch/etcd,HideoYamauchi/etcd,jeremyeder/etcd,spotify/etcd,wantonsolutions/dinv-etcd,chai2010/etcd,spotify/etcd,qiaochao911/etcd,StorReduce/etcd,tamird/etcd,njucslqq/etcd,devfreesg/etcd,fasaxc/etcd,Timer/etcd,sebschrader/etcd,onlyjob/etcd,bspline/etcd,plasticbox/etcd,chipironcin/etcd,vimalk78/etcd,joshix/etcd,SivagnanamCiena/etcd,glensc/etcd,asim/etcd,cloudfoundry/etcd,pengzj/etcd,hpcloud/etcd,raoofm/etcd,cockroachdb/etcd,chai2010-playground/etcd,mike-lerch/etcd,cchamplin/etcd,jonboulle/etcd,fgbreel/etcd,tempbottle/etcd,armstrongli/etcd,pengzj/etcd,sebrandon1/etcd,shakefu/etcd,achanda/etcd,philips/etcd,ktateish/etcd,rchicoli/etcd,Ulexus/etcd,buaazp/etcd,mqliang/etcd,zaphod-concur/etcd,gosharplite/etcd,insequent/etcd,jchauncey/etcd,gosharplite/etcd,jonboulle/etcd,glevand/coreos--etcd,combk8s/etcd,raoofm/etcd,rnaveiras/etcd,bspline/etcd,a-robinson/etcd,lumjjb/etcd,devfreesg/etcd,jefby/etcd,gouyang/etcd,philips/etcd,a-robinson/etcd,dnaeon/etcd,msanterre/etcd,wantonsolutions/dinv-etcd,rnaveiras/etcd,zaphod-concur/etcd,polvi/etcd,mqliang/etcd,cloudfoundry/etcd,visheshnp/etcd,Eagle-X/etcd,rchicoli/etcd,mwitkow-io/etcd,mickep76/etcd,shawnps/etcd,sayden/etcd,mqliang/etcd,pauldallen/etcd,chenbaihu/etcd,barakmich/etcd,gyuho/etcd,msanterre/etcd,bluebreezecf/etcd,cognusion/etcd,shafreeck/etcd,csuideal/etcd,justintung/etcd,mgoelzer/etcd-fork2,jlamillan/etcd,xueshanf/etcd,sinsharat/etcd,hzy001/etcd,robszumski/etcd,beni55/etcd,handsomesun/etcd,Yhgenomics/etcd,svdata/etcd,steveeJ/etcd,heyitsanthony/etcd,nieanan/etcd,purpleidea/etcd,tguangch/etcd,purpleidea/etcd,njharman/etcd,armstrongli/etcd,spotify/etcd,wowsoso/etcd,li-ang/etcd,hroyrh/etcd,improbable-io/etcd,cvik/etcd,combk8s/etcd,freeloop1114/etcd,yyljlyy/etcd,CrazyJvm/etcd,kkaneda/etcd,achanda/etcd,imzhulei/etcd,TheHippo/etcd,offscale/etcd,ajityagaty/etcd,wfxiang08/etcd,youxidev/etcd,joshix/etcd,spotify/etcd,tangkun75/etcd,Winslett/etcd,sebrandon1/etcd,gtank/etcd,yyljlyy/etcd,swingbach/etcd,betawaffle/etcd,endocode/etcd,hongbinz/etcd