Some people say, “Good fences make good neighbors.” I like to say, “you’re lucky if you find a good neighbor. Especially a good next door neighbor. Especially one who’s lived in the neighborhood longer than you have. One who will keep an eye on your dog when you leave town for a couple of weeks. And especially one who has fought Emile Griffith, ex-Middleweight Champion of the World. There he is. Gravel voice. Boxer’s pug face. One eye. Laugh like a happy machine gun. Eddie “El Gato” Gasporra. Echo Park resident since ‘81. Or was it ’85? Or ’89? He’s…