Trade deadline day! The day when futures are squandered, rebuilds torpedoed, and onerous contracts willingly taken on, all in pursuit of that one final piece that may not pay off for months, or years, and probably will never pay off at all. But perhaps there's no reason to be so negative; look at Marian Gaborik's happy face from last year. So let's break down every single trade made today: Tampa Bay Lightning get Braydon Coburn, Boston's 2015 second-round pick, Boston's 2016 second-round pick Philadelphia Flyers get Radko Gudas, Tampa Bay's 2015 first-round pick, Tampa Bay's 2015 third-round pick Boston Bruins get Brett Connolly These are two separate trades, but Tampa clearly wouldn't have made one without the other. For the Lightning, the dra…