Explicitly add mranderson middleware

This gets rid of a warning in the latest Leiningen.

Author: plexus

project.clj

@@ -22,9 +22,12 @@
                  ^:source-dep [org.clojure/tools.namespace "0.3.0-alpha4"]
                  ^:source-dep [org.clojure/tools.trace "0.7.10"]
                  ^:source-dep [org.clojure/tools.reader "1.2.2"]]
-  :plugins [[thomasa/mranderson "0.4.9"]]
   :exclusions [org.clojure/clojure]
 
+  :implicits false
+  :plugins [[thomasa/mranderson "0.4.9"]]
+  :middleware [mranderson.plugin/middleware]
+
   :filespecs [{:type :bytes :path "cider/cider-nrepl/project.clj" :bytes ~(slurp "project.clj")}]
 
   :test-paths ["test/common"] ;; See `test-clj` and `test-cljs` profiles below.