The redevelopment of the former JW Marriott Ihilani Resort & Spa at Ko Olina in West Oahu is moving ahead as the developer has been issued its first major building permit for the new Four Seasons Resort Oahu at Ko Olina, according to public records. The $500 million redevelopment, which is being done in partnership with Hawaii developer Jeff Stone’s The Resort Group and Canada’s Westbank, includes an “integrated luxury beach resort and private residences.” Stone’s Ko Olina FS Hotel LLC…