Returns a Python data structure with information about all
        Hosted Zones defined for the AWS account.

        :param int start_marker: start marker to pass when fetching additional
            results after a truncated list
        :param list zone_list: a HostedZones list to prepend to results

def get_all_hosted_zones(self, start_marker=None, zone_list=None):
        """
        Returns a Python data structure with information about all
        Hosted Zones defined for the AWS account.

        :param int start_marker: start marker to pass when fetching additional
            results after a truncated list
        :param list zone_list: a HostedZones list to prepend to results
        """
        params = {}
        if start_marker:
            params = {'marker': start_marker}
        response = self.make_request('GET', '/%s/hostedzone' % self.Version,
                params=params)
        body = response.read()
        boto.log.debug(body)
        if response.status >= 300:
            raise exception.DNSServerError(response.status,
                                           response.reason,
                                           body)
        e = boto.jsonresponse.Element(list_marker='HostedZones',
                                      item_marker=('HostedZone',))
        h = boto.jsonresponse.XmlHandler(e, None)
        h.parse(body)
        if zone_list:
            e['ListHostedZonesResponse']['HostedZones'].extend(zone_list)
        while e['ListHostedZonesResponse'].has_key('NextMarker'):
            next_marker = e['ListHostedZonesResponse']['NextMarker']
            zone_list = e['ListHostedZonesResponse']['HostedZones']
            e = self.get_all_hosted_zones(next_marker, zone_list)
        return e