FAIRHAVEN ??? A 49-year-old woman treating her face with rubbing alcohol caught fire Monday morning after she lit a cigarette, Fire Chief Timothy Francis said.She was flown to Boston's Massachusetts General Hospital with second-degree burns to about 30 percent of her body, especially her face and upper chest, he said.Firefighters responded to the incident at 41 Bayview Avenue around 6:51 a.m., Fra