make Clojure dependency 'provided'.

Author: Yannick Scherer

project.clj

@@ -6,7 +6,7 @@
             :year 2013
             :key "mit"}
   :repositories  {"sonatype-oss-public" "https://oss.sonatype.org/content/groups/public/"}
-  :dependencies [[org.clojure/clojure "1.8.0"]
+  :dependencies [[org.clojure/clojure "1.8.0" :scope "provided"]
                  [org.clojure/tools.reader "0.10.0"]]
   :profiles {:dev {:dependencies [[midje "1.8.3" :exclusions [joda-time]]
                                   [joda-time "2.9.3"]