use lein modules

visualizer/project.clj

@@ -3,6 +3,7 @@
   :url "http://example.com/FIXME"
   :license {:name "Eclipse Public License"
             :url "http://www.eclipse.org/legal/epl-v10.html"}
+            :plugins [[lein-modules "0.3.11"]]
   :dependencies [[org.clojure/clojure "1.7.0"]
                  [quil "2.3.0"]
                  [com.stuartsierra/component :component/clojure1.7+]])