Replaced FSM

config/peer.go

main.go

protocols/bgp/packet/decoder_test.go

protocols/bgp/server/fsm2.go

protocols/bgp/server/fsm_active.go

protocols/bgp/server/fsm_cease.go

protocols/bgp/server/fsm_connect.go

protocols/bgp/server/fsm_established.go

protocols/bgp/server/fsm_idle.go

protocols/bgp/server/fsm_open_confirm.go

protocols/bgp/server/fsm_open_sent.go

protocols/bgp/server/peer.go

protocols/bgp/server/server.go

protocols/bgp/server/update_sender.go

routingtable/client_manager.go