Fixed Javadoc file not found
diff --git a/jpa/plugins/org.eclipse.jpt.doc.isv/build.properties b/jpa/plugins/org.eclipse.jpt.doc.isv/build.properties
index 76c5f5e..6d84e6b 100644
--- a/jpa/plugins/org.eclipse.jpt.doc.isv/build.properties
+++ b/jpa/plugins/org.eclipse.jpt.doc.isv/build.properties
@@ -26,6 +26,7 @@
                index.html,\
                overview-frame.html,\
                overview-summary.html,\
+               overview-tree.html,\
                package-list,\
                serialized-form.html,\
                stylesheet.css