etcdmain: use symlink instead of link for v0.4 files
etcdmain: use symlink instead of link for v0.4 files

link doesn't support directory.

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