v3rpc: add sha trailer to snapshot
v3rpc: add sha trailer to snapshot

yudai/etcd,ravigadde/etcd,swingbach/etcd,whuwxl/etcd,OyTao/etcd_learning,glevand/coreos--etcd,hongchaodeng/etcd,zaphod-concur/etcd,purpleidea/etcd,akauppi/etcd,dnaeon/etcd,lumjjb/etcd,bdarnell/etcd,luxas/etcd,chipironcin/etcd,mickep76/etcd,insequent/etcd,heyitsanthony/etcd,nekto0n/etcd,li-ang/etcd,bluebreezecf/etcd,lorneli/etcd,rnaveiras/etcd,whuwxl/etcd,plasticbox/etcd,gyuho/etcd,ktateish/etcd,wantonsolutions/dinv-etcd,rnaveiras/etcd,glycerine/etcd,StorReduce/etcd,gyuho/etcd,lumjjb/etcd,purpleidea/etcd,westhood/etcd,etcd-io/etcd,jonboulle/etcd,vimalk78/etcd,jlamillan/etcd,linuxcer/etcd,sebrandon1/etcd,linuxcer/etcd,etcd-io/etcd,a-robinson/etcd,ajityagaty/etcd,sinsharat/etcd,tguangch/etcd,handsomesun/etcd,vimalk78/etcd,visheshnp/etcd,armstrongli/etcd,etcd-io/etcd,mkumatag/etcd,dnaeon/etcd,mickep76/etcd,jonboulle/etcd,mkumatag/etcd,sofuture/etcd,glevand/coreos--etcd,xiang90/etcd,YuleiXiao/etcd,swingbach/etcd,rnaveiras/etcd,chipironcin/etcd,CrazyJvm/etcd,cockroachdb/etcd,ktateish/etcd,ajityagaty/etcd,zaphod-concur/etcd,armstrongli/etcd,nekto0n/etcd,coreos/etcd,rchicoli/etcd,mqliang/etcd,plasticbox/etcd,CrazyJvm/etcd,endocode/etcd,cockroachdb/etcd,dannysauer/etcd,wantonsolutions/dinv-etcd,glycerine/etcd,tguangch/etcd,mqliang/etcd,joshix/etcd,wantonsolutions/dinv-etcd,handsomesun/etcd,yudai/etcd,luxas/etcd,li-ang/etcd,mkumatag/etcd,endocode/etcd,ravigadde/etcd,joshix/etcd,coreos/etcd,sebrandon1/etcd,fanminshi/etcd,mqliang/etcd,dannysauer/etcd,qqsun8819/etcd,a-robinson/etcd,qqsun8819/etcd,YuleiXiao/etcd,rchicoli/etcd,hongchaodeng/etcd,xiang90/etcd,lorneli/etcd,ajityagaty/etcd,akauppi/etcd,sofuture/etcd,fanminshi/etcd,bdarnell/etcd,StorReduce/etcd,visheshnp/etcd,insequent/etcd,sinsharat/etcd,jlamillan/etcd,westhood/etcd,heyitsanthony/etcd,OyTao/etcd_learning,bluebreezecf/etcd