added Apache License

Change-Id: I10ae5f08d957fb0f797ae78583a152b8457d077c
diff --git a/default.xml b/default.xml
index 249bd62..fdef18b 100644
--- a/default.xml
+++ b/default.xml
@@ -1,4 +1,22 @@
 <?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.
+-->
 <manifest>
   <remote   name='origin' fetch='https://gitbox.apache.org/repos/asf' />
   <remote   name='gitwip' fetch='https://git-wip-us.apache.org/repos/asf' />