WASHINGTON — Anders Bjork scored his first goal with his new team and added an assist, helping Buffalo spoil Nicklas Backstrom’s 1,000th game as the Sabres beat the Washington Capitals 5-2 on Thursday night. “We’re still growing, but it’s cool to see where we’re heading.” Dustin Tokarski made 27 stops for Buffalo after Linus Ullmark was scratched with a lower …