message: fix the usage of the wrong port number
diff: @@ -16,12 +16,12 @@ import (
  func main() {
  fmt.Println("This is an \"echo\" server that displays request parameters.")
  fmt.Println("Start the server and send a http request to it (e.g.")
  - fmt.Println("curl http://localhost:80/help). The server uses port 80.")
  + fmt.Println("curl http://localhost:8000/help). The server uses port 8000.")
  fmt.Println("If KVM is implicitly started by our proxy, please open the port by")
  - fmt.Println("setting the environment variable HERMIT_APP_PORT to 80.")
  + fmt.Println("setting the environment variable HERMIT_APP_PORT to 8000.")
  http.HandleFunc("/", handler)
  - log.Fatal(http.ListenAndServe(":80", nil))
  + log.Fatal(http.ListenAndServe(":8000", nil))
  }
  //!+handler
  