--- build.xml.orig	2015-04-02 14:52:27.073922285 -0500
+++ build.xml	2015-04-02 14:53:01.074191921 -0500
@@ -144,6 +144,7 @@
     <delete dir="./build"/>
     <delete dir="./javadoc"/>
     <delete dir="./tmp"/>
+    <delete dir="./lib"/>
   </target>
 
 </project>