The Grand Rapids Griffins are going to the Calder Cup playoffs for the first time in five years. The Griffins punched their ticket to the postseason last night with a 5-2 win over Cleveland, while setting a new franchise record for the longest home point streak at 17 games (12-0-3-2). There are a number of reasons that have brought the Griffins back to glory — Dan Watson has done a teriffic job at…