more release preparations

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/compress/trunk@1150854 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pmd-ruleset.xml b/pmd-ruleset.xml
index 9fda8f1..8893e71 100644
--- a/pmd-ruleset.xml
+++ b/pmd-ruleset.xml
@@ -1,4 +1,22 @@
 <?xml version="1.0"?>
+<!--
+
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+-->
 <ruleset name="compress"
     xmlns="http://pmd.sf.net/ruleset/1.0.0"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"