Add missing license headers.
This plugin now passes the checks done by RAT.

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@1525338 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/it/webapp-it/src/main/webapp/WEB-INF/test.txt b/src/it/webapp-it/src/main/webapp/WEB-INF/test.txt
index 8318c86..395f0ad 100644
--- a/src/it/webapp-it/src/main/webapp/WEB-INF/test.txt
+++ b/src/it/webapp-it/src/main/webapp/WEB-INF/test.txt
@@ -1 +1,18 @@
+# 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.
+
 Test
\ No newline at end of file
diff --git a/src/test/resources/unit/ant-javadoc-test/src/main/resources/main.txt b/src/test/resources/unit/ant-javadoc-test/src/main/resources/main.txt
index 0aef8b1..5fa049d 100644
--- a/src/test/resources/unit/ant-javadoc-test/src/main/resources/main.txt
+++ b/src/test/resources/unit/ant-javadoc-test/src/main/resources/main.txt
@@ -1 +1,18 @@
+# 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.
+
 Test resource for main
\ No newline at end of file
diff --git a/src/test/resources/unit/ant-javadoc-test/src/test/resources/test.txt b/src/test/resources/unit/ant-javadoc-test/src/test/resources/test.txt
index ca26e8d..8da0584 100644
--- a/src/test/resources/unit/ant-javadoc-test/src/test/resources/test.txt
+++ b/src/test/resources/unit/ant-javadoc-test/src/test/resources/test.txt
@@ -1 +1,18 @@
+# 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.
+
 Test resource for test
\ No newline at end of file
diff --git a/src/test/resources/unit/ant-nodep-test/src/main/resources/main.txt b/src/test/resources/unit/ant-nodep-test/src/main/resources/main.txt
index 0aef8b1..5fa049d 100644
--- a/src/test/resources/unit/ant-nodep-test/src/main/resources/main.txt
+++ b/src/test/resources/unit/ant-nodep-test/src/main/resources/main.txt
@@ -1 +1,18 @@
+# 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.
+
 Test resource for main
\ No newline at end of file
diff --git a/src/test/resources/unit/ant-test/src/main/resources/main.txt b/src/test/resources/unit/ant-test/src/main/resources/main.txt
index 0aef8b1..5fa049d 100644
--- a/src/test/resources/unit/ant-test/src/main/resources/main.txt
+++ b/src/test/resources/unit/ant-test/src/main/resources/main.txt
@@ -1 +1,18 @@
+# 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.
+
 Test resource for main
\ No newline at end of file
diff --git a/src/test/resources/unit/ant-test/src/test/resources/test.txt b/src/test/resources/unit/ant-test/src/test/resources/test.txt
index ca26e8d..8da0584 100644
--- a/src/test/resources/unit/ant-test/src/test/resources/test.txt
+++ b/src/test/resources/unit/ant-test/src/test/resources/test.txt
@@ -1 +1,18 @@
+# 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.
+
 Test resource for test
\ No newline at end of file