Fisker Automotive is back in business. The luxury car maker has signed a lease for a 550,000-square-foot manufacturing facility in Moreno Valley. In this 2012 photo, reporters gather around a Fisker Karma during the Los Angeles Auto Show. Fisker Automotive is back in business. The luxury car maker has signed a lease for a 550,000-square-foot manufacturing facility in Moreno Valley. In this 2012 photo, reporters gather around a Fisker Karma during the Los Angeles Auto…