By LORETTA FULTON When Bob Fink looks at a photo of poet Aimee Nezhukumatathil, he sees St. Francis of Assisi.Not literally, of course. The patron saint of animals and ecology died in 1226. But his spirit lives, and that is evident in some of Nezhukumatathil’s poetry. He also has a well-known prayer attributed to him. “For me,” Fink said in