message: Fix _renderCommaSeparatedList
diff: @@ -252,7 +252,8 @@ module.exports = React.createClass({
  const other = " other" + (remaining > 1 ? "s" : "");
  return items.join(', ') + ' and ' + remaining + other;
  } else {
  - return items.join(', ') + ' and ' + items.pop();
  + const lastItem = items.pop();
  + return items.join(', ') + ' and ' + lastItem;
  }
  },
  