Add Jackon-scala to Fsq.io (#1213)
Add Jackon-scala to Fsq.io (#1213)

(sapling split of c2a4140c646de6f70287eb9449d83a17d96db008)
foursquare/fsqio,foursquare/fsqio,foursquare/fsqio,foursquare/fsqio,foursquare/fsqio