Store summary if none was given
        and created formatted version of body text.

def save(self, *args, **kwargs):
        """
        Store summary if none was given
        and created formatted version of body text.
        """
        if not self.summary:
            self.summary = truncatewords(self.body, 50)
        self.body_formatted = sanetize_text(self.body)
        super(Article, self).save()