Jake DeBrusk finished out the final year of his contract without an extension in place. For a 27-year-old former first round draft pick, that in and of itself is a little unsettling. When the winger met with reporters on team break-up day at Warrior Ice Arena, the Bruins’ wing tried his best to remain positive that something could get done for him to stay with the only professional organization of which he’s been a part. But DeBrusk, who could h…