Still clutching at straws

Binding the nREPL server to localhost in hope that this will resolve the
issue on Travis CI where a failure occurs with:

java.net.SocketException: Protocol family unavailable

Author: dotemacs

test/refactor_nrepl/integration_tests.clj

@@ -12,6 +12,7 @@
 (defn start-up-repl-server []
   (let [server
         (nrserver/start-server
+         :bind "localhost"
          :port 7777
          :handler (nrserver/default-handler
                     #'refactor-nrepl.middleware/wrap-refactor))]