added comments

git-svn-id: https://svn.apache.org/repos/asf/maven/maven-3/trunk@1402814 13f79535-47bb-0310-9956-ffa450edef68

maven-aether-provider/src/test/resources/repo/org/apache/maven/its/dep-mng5324/07.20.3-SNAPSHOT/maven-metadata.xml

@@ -1,7 +1,30 @@
-<metadata modelVersion="1.1.0">
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+  ~ 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.
+-->
+
+<metadata xmlns="http://maven.apache.org/METADATA/1.1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/METADATA/1.1.0 http://maven.apache.org/xsd/metadata-1.1.0.xsd"
+  modelVersion="1.1.0">
   <groupId>org.apache.maven.its</groupId>
   <artifactId>dep-mng5324</artifactId>
-  <version>07.20.3-SNAPSHOT</version>
+  <version>07.20.3-SNAPSHOT</version><!-- metadata for artifact snapshot -->
   <versioning>
     <snapshot>
       <timestamp>20120809.112920</timestamp>