[ONOS-2713] Fix a bug of ovsdb controller and add anotations.

Change-Id: I8ed9cee526b25e65d12fdb25ba98c281b1a33eff
diff --git a/providers/ovsdb/tunnel/pom.xml b/providers/ovsdb/tunnel/pom.xml
index 5d28165..46ea585 100644
--- a/providers/ovsdb/tunnel/pom.xml
+++ b/providers/ovsdb/tunnel/pom.xml
@@ -1,4 +1,19 @@
 <?xml version="1.0"?>
+<!--
+  ~ Copyright 2015 Open Networking Laboratory
+  ~
+  ~ Licensed 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.
+  -->
 <project
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
     xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">