message: add compelted action
diff: @@ -367,6 +367,9 @@ function Botkit(configuration) {
  case 'wait':
  that.silentRepeat();
  break;
  + case 'complete':
  + that.stop('completed');
  + break;
  case 'timeout':
  that.stop('timeout');
  break;
  @@ -379,7 +382,7 @@ function Botkit(configuration) {
  break;
  }
  - }
  + };
  this.evaluateCondition = function(condition) {
  