fixing TravisCI build
fixing TravisCI build

problem stemming from a change in TravisCi VM handling of leiningen 1 vs. leiningen 2. Obviously, now lein is Leiningen 2 and available directly, while lein2 was removed.

gorillalabs/sparkling,gorillalabs/sparkling,gorillalabs/sparkling,gorillalabs/sparkling,gorillalabs/sparkling