set back requirement to clojure 1.5.0

those xmlns directories are only required for clojurescript and trip up
clojure 1.5

Author: bendlas

pom.xml

@@ -95,7 +95,7 @@
 
   <properties>
     <!-- 1.8.0 is required to run cljs test suite -->
-    <clojure.version>1.9.0-alpha14</clojure.version>
+    <clojure.version>1.5.0</clojure.version>
   </properties>
 
   <pluginRepositories>