Long Island has more than its share of publications — too many in fact (and this coming from a guy who writes or has written for several of them). So many of them are the same — too many advertisements and too few interesting stories. Long Island’s newest magazine, canvas, is a little different. For one, the production value is through the roof compared to so many of the ad-supported papers in these parts. Two, the editor isn’t some just-out-of-college rookie or crazy person without any real talent. canvas’ editor, Ramin Ganeshram is an experienced journalist, editor and cookbook author…