*: bump to v2.2.0-alpha.1
*: bump to v2.2.0-alpha.1

dalanlan/etcd,glycerine/etcd,chenbaihu/etcd,heyitsanthony/etcd,plasticbox/etcd,bluebreezecf/etcd,achanda/etcd,sofuture/etcd,yyljlyy/etcd,sebschrader/etcd,lorneli/etcd,StorReduce/etcd,buaazp/etcd,svdata/etcd,ktateish/etcd,msanterre/etcd,siddontang/etcd,wantonsolutions/dinv-etcd,luxas/etcd,mqliang/etcd,cchamplin/etcd,cognusion/etcd,mickep76/etcd,a-robinson/etcd,Winslett/etcd,hongbinz/etcd,gityf/etcd,mkumatag/etcd,freeloop1114/etcd,xiang90/etcd,hongbinz/etcd,lorneli/etcd,vimalk78/etcd,improbable-io/etcd,Yhgenomics/etcd,jchauncey/etcd,akauppi/etcd,delkyd/etcd,visheshnp/etcd,gae123/etcd,rchicoli/etcd,freeloop1114/etcd,gityf/etcd,bdarnell/etcd,glevand/coreos--etcd,svdata/etcd,YuleiXiao/etcd,yichengq/etcd,mickep76/etcd,wantonsolutions/dinv-etcd,gae123/etcd,hroyrh/etcd,kkaneda/etcd,li-ang/etcd,shakefu/etcd,Eagle-X/etcd,yudai/etcd,qqsun8819/etcd,TheHippo/etcd,openedbox/etcd,Winslett/etcd,cognusion/etcd,yudai/etcd,pauldallen/etcd,sebrandon1/etcd,westhood/etcd,SivagnanamCiena/etcd,mkumatag/etcd,dalanlan/etcd,vimalk78/etcd,jlamillan/etcd,dannysauer/etcd,lzbgt/etcd,cockroachdb/etcd,purpleidea/etcd,etcd-io/etcd,CrazyJvm/etcd,insionng/etcd,lzbgt/etcd,etcd-io/etcd,cockroachdb/etcd,sayden/etcd,ravigadde/etcd,tamird/etcd,tguangch/etcd,tamird/etcd,mqliang/etcd,xychu/etcd,njucslqq/etcd,steveeJ/etcd,linuxcer/etcd,nkhare/etcd,whuwxl/etcd,bluebreezecf/etcd,dnaeon/etcd,giantswarm/etcd,chipironcin/etcd,insionng/etcd,HideoYamauchi/etcd,raoofm/etcd,hroyrh/etcd,visheshnp/etcd,rnaveiras/etcd,glevand/coreos--etcd,Eagle-X/etcd,gouyang/etcd,CrazyJvm/etcd,ajityagaty/etcd,snailwalker/etcd,mike-lerch/etcd,fasaxc/etcd,OyTao/etcd_learning,honeyqa/etcd,whuwxl/etcd,fanminshi/etcd,hongchaodeng/etcd,kkaneda/etcd,plasticbox/etcd,tempbottle/etcd,TheHippo/etcd,li-ang/etcd,yyljlyy/etcd,nekto0n/etcd,gouyang/etcd,StorReduce/etcd,fgbreel/etcd,westhood/etcd,combk8s/etcd,yichengq/etcd,sofuture/etcd,jonboulle/etcd,a-robinson/etcd,YuleiXiao/etcd,giantswarm/etcd,ajityagaty/etcd,msanterre/etcd,spacejam/etcd,SivagnanamCiena/etcd,sinsharat/etcd,onlyjob/etcd,rnaveiras/etcd,beni55/etcd,openedbox/etcd,coreos/etcd,arthurcolle/etcd,arthurcolle/etcd,xdlinear/etcd,asim/etcd,pauldallen/etcd,fasaxc/etcd,ajityagaty/etcd,purpleidea/etcd,siddontang/etcd,beni55/etcd,sinsharat/etcd,HideoYamauchi/etcd,jonboulle/etcd,mqliang/etcd,mkumatag/etcd,betawaffle/etcd,spacejam/etcd,fgbreel/etcd,armstrongli/etcd,lumjjb/etcd,Timer/etcd,etcd-io/etcd,zaphod-concur/etcd,sayden/etcd,rnaveiras/etcd,jchauncey/etcd,achanda/etcd,handsomesun/etcd,elimisteve/etcd,snailwalker/etcd,delkyd/etcd,shakefu/etcd,tguangch/etcd,cchamplin/etcd,xiang90/etcd,combk8s/etcd,dnaeon/etcd,chipironcin/etcd,luxas/etcd,imzhulei/etcd,honeyqa/etcd,dannysauer/etcd,jefby/etcd,OyTao/etcd_learning,imzhulei/etcd,oscarrr110/etcd,sebrandon1/etcd,fanminshi/etcd,betawaffle/etcd,ravigadde/etcd,bdarnell/etcd,njucslqq/etcd,swingbach/etcd,iamqizhao/etcd,jeremyeder/etcd,akauppi/etcd,jeremyeder/etcd,Timer/etcd,raoofm/etcd,endocode/etcd,glycerine/etcd,lumjjb/etcd,jlamillan/etcd,mike-lerch/etcd,joshix/etcd,heyitsanthony/etcd,wowsoso/etcd,handsomesun/etcd,shawnps/etcd,asim/etcd,jefby/etcd,improbable-io/etcd,qqsun8819/etcd,wantonsolutions/dinv-etcd,shawnps/etcd,elimisteve/etcd,endocode/etcd,nkhare/etcd,armstrongli/etcd,xychu/etcd,buaazp/etcd,sebschrader/etcd,wowsoso/etcd,onlyjob/etcd,rchicoli/etcd,oscarrr110/etcd,xdlinear/etcd,tempbottle/etcd,gyuho/etcd,swingbach/etcd,zaphod-concur/etcd,coreos/etcd,ktateish/etcd,Yhgenomics/etcd,nekto0n/etcd,hongchaodeng/etcd,chenbaihu/etcd,iamqizhao/etcd,joshix/etcd,steveeJ/etcd,fasaxc/etcd,insequent/etcd,gyuho/etcd,linuxcer/etcd,insequent/etcd