paxos: coord: ignore old messages
paxos: coord: ignore old messages

ha/doozerd,bitly/doozerd,jmptrader/doozer,magastzheng/doozerd,soundcloud/doozer,soundcloud/doozerd,coreos/doozerd,ha/doozerd,ylong/doozerd,jmptrader/doozerd,jmptrader/doozerd,coreos/doozerd,tempbottle/doozerd,soundcloud/doozer,tempbottle/doozerd,magastzheng/doozerd,ylong/doozerd,coreos/doozer,npchp110/doozerd,ha/doozerd,jmptrader/doozerd,soundcloud/doozerd,bitly/doozerd,rowhit/doozerd,soundcloud/doozerd,ha/doozer,npchp110/doozer,zyxar/doozerd,ylong/doozerd,magastzheng/doozerd,bitly/doozerd,npchp110/doozerd,rowhit/doozerd,tempbottle/doozerd,ylong/doozerd,rowhit/doozerd,magastzheng/doozerd,coreos/doozerd,zyxar/doozerd,npchp110/doozerd,npchp110/doozerd,jmptrader/doozerd,tempbottle/doozerd,zyxar/doozerd,rowhit/doozerd,soundcloud/doozerd,zyxar/doozerd