add missing license headers

git-svn-id: https://svn.apache.org/repos/asf/maven/ant-tasks/trunk@1438236 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/resources/META-INF/plexus/components.xml b/src/main/resources/META-INF/plexus/components.xml
index 594e746..2abd5c1 100644
--- a/src/main/resources/META-INF/plexus/components.xml
+++ b/src/main/resources/META-INF/plexus/components.xml
@@ -1,5 +1,24 @@
 <?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.
+-->
+
 <component-set>
   <components>
 
diff --git a/src/main/resources/org/apache/maven/artifact/ant/antlib.xml b/src/main/resources/org/apache/maven/artifact/ant/antlib.xml
index 98fa527..d246645 100644
--- a/src/main/resources/org/apache/maven/artifact/ant/antlib.xml
+++ b/src/main/resources/org/apache/maven/artifact/ant/antlib.xml
@@ -1,4 +1,24 @@
-<?xml version="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.
+-->
+
 <antlib>
   <!-- Tasks -->
   <taskdef name="dependencies" classname="org.apache.maven.artifact.ant.DependenciesTask"/>