Update Codox version to 0.8.11

Author: weavejester

project.clj

@@ -5,7 +5,7 @@
             :url "http://opensource.org/licenses/MIT"}
   :dependencies [[org.clojure/clojure "1.3.0"]
                  [ring/ring-core "1.3.2"]]
-  :plugins [[codox "0.8.10"]]
+  :plugins [[codox "0.8.11"]]
   :codox {:project {:name "Ring-Headers"}}
   :profiles
   {:dev {:dependencies [[ring/ring-mock "0.2.0"]]}