We got pretty excited about the potential cougar spotted on the University of Maryland campus in College Park last week, if only for the endless stream of terrible, double entendre-based jokes that it spawned. But it turns out the ‘cougar’ wasn’t a cougar at all — surveillance photos indicate the cat people saw was probably a Savannah cat. Savannah cats like the one pictured at left are hybrids of domestic short hairs and larger African…