message: also return Joining when internally busy looking something up
diff: @@ -127,7 +127,7 @@ module.exports = React.createClass({
  return MessageCase.Joining;
  } else if (this.props.rejecting) {
  return MessageCase.Rejecting;
  - } else if (this.props.loading) {
  + } else if (this.props.loading || this.state.busy) {
  return MessageCase.Loading;
  }
  