message: fix (and remove useless filename from long msgs)
diff: @@ -1251,7 +1251,7 @@ MatrixHandler.prototype._sendIrcAction = Promise.coroutine(
  // Alter event object so that it is treated as if a file has been uploaded
  event.content.url = result.content_uri;
  event.content.msgtype = "m.file";
  - event.content.body = "sent a long message: " + fileName;
  + event.content.body = "sent a long message: ";
  // Create a file event to reflect the recent upload
  let cli = this.ircBridge.getAppServiceBridge().getClientFactory().getClientAs();
  