Pin to a clojure version for smoketest.
Pin to a clojure version for smoketest.

lein 2.2.0 now injects nrepl as a userspace dependency, and without an
explicit clojure dep, it brings in 1.2.0, which we don't support (it
doesn't have IBlockingDeref).

coopsource/immutant,coopsource/immutant,coopsource/immutant,immutant/immutant,immutant/immutant,kbaribeau/immutant,kbaribeau/immutant,immutant/immutant,kbaribeau/immutant,immutant/immutant