Change token example to use returned value only
Change token example to use returned value only

The discovery.etcd.io/new already returns a complete URL containing the host, so there is no need to specify it on the command line.
linuxcer/etcd,chipironcin/etcd,fanminshi/etcd,etcd-io/etcd,junxu/etcd,raoofm/etcd,improbable-io/etcd,lzbgt/etcd,jravetch/etcd,jchauncey/etcd,cchamplin/etcd,sebrandon1/etcd,shafreeck/etcd,ajityagaty/etcd,shawnps/etcd,youxidev/etcd,oscarrr110/etcd,purpleidea/etcd,yyljlyy/etcd,qqsun8819/etcd,kkaneda/etcd,gityf/etcd,rnaveiras/etcd,hroyrh/etcd,QuantiumTechnology/etcd,beni55/etcd,njucslqq/etcd,ajityagaty/etcd,wantonsolutions/dinv-etcd,youxidev/etcd,sebschrader/etcd,rnaveiras/etcd,buaazp/etcd,mwitkow-io/etcd,qiaochao911/etcd,StorReduce/etcd,Winslett/etcd,chenbaihu/etcd,imzhulei/etcd,li-ang/etcd,kkaneda/etcd,chai2010-playground/etcd,kingland/etcd,glycerine/etcd,tangkun75/etcd,gyuho/etcd,westhood/etcd,joshix/etcd,csuideal/etcd,sofuture/etcd,insequent/etcd,steveeJ/etcd,bdarnell/etcd,shawnps/etcd,linuxcer/etcd,mgoelzer/etcd-fork2,mickep76/etcd,spotify/etcd,joshix/etcd,Timer/etcd,xychu/etcd,oscarrr110/etcd,pengzj/etcd,asim/etcd,shafreeck/etcd,barakmich/etcd,shakefu/etcd,sofuture/etcd,axingblog/etcd,HideoYamauchi/etcd,njucslqq/etcd,asim/etcd,fasaxc/etcd,honeyqa/etcd,a-robinson/etcd,glensc/etcd,akauppi/etcd,endocode/etcd,giantswarm/etcd,siddontang/etcd,yudai/etcd,gtank/etcd,glensc/etcd,gosharplite/etcd,Timer/etcd,xiang90/etcd,yifan-gu/etcd,improbable-io/etcd,armstrongli/etcd,hzy001/etcd,vimalk78/etcd,dalanlan/etcd,spacejam/etcd,dannysauer/etcd,glycerine/etcd,njharman/etcd,chai2010/etcd,jeremyeder/etcd,whuwxl/etcd,achanda/etcd,luxas/etcd,mqliang/etcd,mkumatag/etcd,mike-lerch/etcd,spotify/etcd,openedbox/etcd,princeqjzh/etcd,Ulexus/etcd,snailwalker/etcd,coreos/etcd,whuwxl/etcd,visheshnp/etcd,nkhare/etcd,elimisteve/etcd,mkumatag/etcd,chai2010/etcd,svdata/etcd,pigfoot/etcd,etcd-io/etcd,mqliang/etcd,buaazp/etcd,YuleiXiao/etcd,hongbinz/etcd,justintung/etcd,jmptrader/etcd,ravigadde/etcd,mkumatag/etcd,handsomesun/etcd,mike-lerch/etcd,lumjjb/etcd,yifan-gu/etcd,delkyd/etcd,jonboulle/etcd,pauldallen/etcd,sinsharat/etcd,justintung/etcd,hongchaodeng/etcd,etcd-io/etcd,zaphod-concur/etcd,kingland/etcd,tempbottle/etcd,jefby/etcd,swingbach/etcd,steveeJ/etcd,QuantiumTechnology/etcd,spotify/etcd,arthurcolle/etcd,TheHippo/etcd,glevand/coreos--etcd,wowsoso/etcd,gouyang/etcd,es-chow/etcd,qqsun8819/etcd,mwitkow-io/etcd,mischief/etcd,mqliang/etcd,wfxiang08/etcd,msanterre/etcd,polvi/etcd,Winslett/etcd,bspline/etcd,bakins/etcd,iamqizhao/etcd,betawaffle/etcd,CrazyJvm/etcd,coreos/etcd,akauppi/etcd,offscale/etcd,betawaffle/etcd,bluebreezecf/etcd,olark/etcd,combk8s/etcd,YuleiXiao/etcd,chai2010-playground/etcd,tguangch/etcd,nieanan/etcd,tempbottle/etcd,purpleidea/etcd,Eagle-X/etcd,cvik/etcd,Eagle-X/etcd,freeloop1114/etcd,freeloop1114/etcd,mitake/etcd,arthurcolle/etcd,xebitstudios/etcd,mwitkow/etcd,xychu/etcd,barakmich/etcd,endocode/etcd,OyTao/etcd_learning,jefby/etcd,insionng/etcd,gtank/etcd,gouyang/etcd,gae123/etcd,fasaxc/etcd,cognusion/etcd,dterei/etcd,ylong/etcd,gyuho/etcd,ajityagaty/etcd,insionng/etcd,Ulexus/etcd,svdata/etcd,devfreesg/etcd,hzy001/etcd,heyitsanthony/etcd,TheHippo/etcd,nekto0n/etcd,OyTao/etcd_learning,zaphod-concur/etcd,mwitkow/etcd,njharman/etcd,yyljlyy/etcd,crandles/etcd,es-chow/etcd,yichengq/etcd,lzbgt/etcd,raoofm/etcd,armstrongli/etcd,dalanlan/etcd,Ulexus/etcd,siddontang/etcd,onlyjob/etcd,xdlinear/etcd,HideoYamauchi/etcd,vimalk78/etcd,ktateish/etcd,sebschrader/etcd,tangkun75/etcd,Ulexus/etcd,robszumski/etcd,jeremyeder/etcd,mgoelzer/etcd-fork2,a-robinson/etcd,SivagnanamCiena/etcd,achanda/etcd,tguangch/etcd,wowsoso/etcd,ecnahc515/etcd,dannysauer/etcd,spacejam/etcd,honeyqa/etcd,openedbox/etcd,dterei/etcd,gityf/etcd,bdarnell/etcd,sinsharat/etcd,nkhare/etcd,ravigadde/etcd,chenbaihu/etcd,li-ang/etcd,princeqjzh/etcd,hroyrh/etcd,mickep76/etcd,tamird/etcd,elimisteve/etcd,nieanan/etcd,visheshnp/etcd,polvi/etcd,jravetch/etcd,wantonsolutions/dinv-etcd,jmptrader/etcd,bluebreezecf/etcd,jonboulle/etcd,fasaxc/etcd,wantonsolutions/dinv-etcd,cockroachdb/etcd,rnaveiras/etcd,fgbreel/etcd,cvik/etcd,handsomesun/etcd,jlamillan/etcd,csuideal/etcd,combk8s/etcd,fgbreel/etcd,Yhgenomics/etcd,axingblog/etcd,Yhgenomics/etcd,plasticbox/etcd,rchicoli/etcd,dnaeon/etcd,ylong/etcd,pengzj/etcd,cchamplin/etcd,hongbinz/etcd,crandles/etcd,hpcloud/etcd,swingbach/etcd,ecnahc515/etcd,fanminshi/etcd,bakins/etcd,snailwalker/etcd,chipironcin/etcd,luxas/etcd,xueshanf/etcd,mischief/etcd,dnaeon/etcd,yichengq/etcd,cognusion/etcd,lorneli/etcd,hongchaodeng/etcd,jlamillan/etcd,shakefu/etcd,spotify/etcd,pauldallen/etcd,xebitstudios/etcd,heyitsanthony/etcd,lumjjb/etcd,junxu/etcd,SivagnanamCiena/etcd,tamird/etcd,sayden/etcd,hpcloud/etcd,delkyd/etcd,jchauncey/etcd,glevand/coreos--etcd,qiaochao911/etcd,ktateish/etcd,gosharplite/etcd,iamqizhao/etcd,xdlinear/etcd,nekto0n/etcd,gae123/etcd,olark/etcd,StorReduce/etcd,xiang90/etcd,devfreesg/etcd,yudai/etcd,offscale/etcd,rchicoli/etcd,plasticbox/etcd,msanterre/etcd,CrazyJvm/etcd,onlyjob/etcd,insequent/etcd,cockroachdb/etcd,cvik/etcd,mitake/etcd,xueshanf/etcd,imzhulei/etcd,bspline/etcd,beni55/etcd,giantswarm/etcd,sebrandon1/etcd,westhood/etcd,wfxiang08/etcd,sayden/etcd,cvik/etcd,robszumski/etcd,lorneli/etcd