Janco Partners analyst Mike Hickey says that despite the promise of holiday success for games like DJ Hero and Tony Hawk: Ride, Activision’s year end could see some snags — chief among them the increasing likelihood that Starcraft II won’t make this calendar year. Although Blizzard’s not yet pinned a specific release date for the game, it’s maintained a 2009 window. But Starcraft II lead designer recently told consumer weblog Kotaku that the team plans …