port raft to new step_1
port raft to new step_1

lolisa/verdi,guiquanz/verdi,DistributedComponents/verdi-chord,DistributedComponents/verdi-chord,palmskog/verdi,uwplse/verdi-raft,uwplse/verdi,uwplse/verdi-raft,uwplse/verdi-raft,uwplse/verdi-raft,DistributedComponents/verdi-aggregation,palmskog/verdi,uwplse/verdi-raft,uwplse/verdi,DistributedComponents/verdi-chord,DistributedComponents/verdi-aggregation,DistributedComponents/verdi-chord,DistributedComponents/verdi-aggregation,DistributedComponents/verdi-aggregation,guiquanz/verdi,lolisa/verdi,palmskog/verdi,DistributedComponents/verdi-chord