title: Django Admin list view: add CSS class for rows by field value
body: <p>Example model:</p>
  
  <pre class="lang-py prettyprint-override"><code>class Article(models.Model):
      is_published = models.BooleanField(default=False)
  </code></pre>
  
  <p>Is there an easy way to add "is_published" css class to all  in Django admin list view to all rows displaying objects with is_published==True?</p>