Jameson, the Pomeranian-schipperke mix who survived a brutal 2014 beating as a puppy and went on to become a national symbol of animal-cruelty awareness, died peacefully at home Tuesday night at age 13, surrounded by family. The Ludlow Police Department announced his death in a post this week, closing the chapter on a dog whose recovery once captured attention far beyond Western Massachusetts. As reported by MassLive, Jameson was found as a pupp…