message: Chenged flag for ZMQ sending messages
diff: @@ -544,7 +544,7 @@ impl RemoteNode {
  info!("Sending {:?}", str);
  self.zsock.as_ref()
  .ok_or(CommonError::InvalidState("Try to send str for unconnected RemoteNode".to_string()))?
  - .send(str, zmq::DONTWAIT)
  + .send(str, 0)
  .map_err(map_err_trace!())?;
  Ok(())
  }
  