Return a dict of only the basic data about the release

def to_simple_dict(self):
        """Return a dict of only the basic data about the release"""
        return {
            'version': self.version,
            'product': self.product,
            'channel': self.channel,
            'is_public': self.is_public,
            'slug': self.slug,
            'title': unicode(self),
        }