Merge pull request #8 from flycash/2.7.5-bk

common/extension/event_dispatcher.go

common/extension/service_discovery.go

common/rpc_service.go

config/service_config.go

config_center/configuration_listener.go

metadata/mapping/memory/service_name_mapping.go

metadata/report/etcd/report.go

metadata/service/inmemory/service_proxy.go

protocol/invocation/rpcinvocation.go

registry/base_configuration_listener.go

registry/consul/listener.go

registry/consul/registry.go

registry/directory/directory.go

registry/etcdv3/listener.go

registry/etcdv3/registry.go

registry/etcdv3/service_discovery.go

registry/etcdv3/service_discovery_test.go

registry/event.go

registry/kubernetes/listener.go

registry/kubernetes/registry.go