Apple's Project Magnolia

What is Apple's project Magnolia? http://www.mapistry.com/hubfs/apple_project_magnolia_record.pdf Looks like it some sort of facility for thin-film fabrication. Thin-film batteries? Maybe due to their acquisition of Infinity Power Solutions - http://www.luxresearchinc.com/news-and-events/press-releases/read/apples-printed-battery-acquisition-likely-disappoint