The Third Annual Long Island Craft Beer Week is actually 10 days if you count the pregame, and I don’t  mind that at all. From May 10 through the 19 expect to see plenty of alehouses and beer-centric watering holes promoting and pouring Long Island craft brew. The festivities begin May 9 with a free pint glass pickup happening at multiple locations (register here for yours) and a pre-game Cask Kickoff tasting at Croxley’s Ale House.  One of the larger kickoff events will be “Bayfest 2013” held outside of Great South Bay Brewery. GSB will play host to more than 20 New York…