add es cluster manger

sunty

2019-10-29 aa6a107abc0e321f2adb454116286c66e893ebff

 discovery/server.go

@@ -5,7 +5,7 @@
//   "basic.com/valib/gopherdiscovery.git"
//   "github.com/gogo/protobuf/proto"
//   "time"
//   "webserver/extend/logger"
//   "basic.com/valib/logger.git"
//)
//
//const (