By Miguel Helft February 18, 2011 8:50 pm February 18, 2011 8:50 pm The New York Academy of Art, a graduate university that has been teaching figurative art since 1982, is not the kind of institution you would expect to get into trouble for mischief on Facebook. Yet the school recently received a stern warning from the site: “You uploaded a photo that violates our Terms of Use, and this photo has