Close replication channel after sending final index
Close replication channel after sending final index

dgnorton/raft,hashicorp/raft,quantiply-fork/raft,sean-/raft,tempbottle/raft-2,wantonsolutions/raft,jmptrader/raft-1,otoolep/raft,PattyW/raft_govec,hashicorp/raft