text: exports.notFound = function(req, res){
    res.status(404);
    res.render('index', {
      title:'404: Page not found',
      heading: '404: Page not found',
      content: 'Sorry, we\'ve misplaced that URL or it\'s pointing to something that doesn\'t exist. <a href="/">Head back home</a> to try finding it again.'
    });
  };