def scan_site(site_id, blackout_override = false)
      xml = make_xml('SiteScanRequest', 'site-id' => site_id)
      xml.add_attributes({ 'force' => true }) if blackout_override
      response = execute(xml)
      Scan.parse(response.res) if response.success
    end
def scan_site(site_id, blackout_override = false)
      xml = make_xml('SiteScanRequest', 'site-id' => site_id)
      xml.add_attributes({ 'force' => true }) if blackout_override
      response = execute(xml)
      Scan.parse(response.res) if response.success
    end
Initiate a site scan.

 @param [Fixnum] site_id Site ID to scan.
 @param [Boolean] blackout_override Optional. Given suffencent permissions, force bypass blackout and start scan.
 @return [Scan] Scan launch information.