Merge pull request #52 from ttousai/new-auto-detect

cfg/1.6/federated.yaml

cfg/1.6/master.yaml

cfg/1.6/node.yaml

cfg/1.7/federated.yaml

cfg/1.7/master.yaml

cfg/1.7/node.yaml

check/controls.go

check/controls_test.go

cmd/common.go

cmd/federated.go

cmd/master.go

cmd/node.go

cmd/util.go

cmd/util_test.go