A great light in the craft beer world has gone out, but like a distant star, Alan Sprints legacy will shine on for generations long after he is gone.On Sunday I awoke from a post beer fest slumber to murmurs that the legendary Hair of the Dog Brewing founder Alan Sprints had passed away. Alas the news was confirmed shortly thereafter after checking in with some of his oldest and dearest friends in the tight knit Oregon beer community of which he…