Add apache header and inline json message example into doc

docs/docs/rest-api/rest-json/rest-json-notebook-list-response.json

@@ -1 +0,0 @@
-{"status":"OK","message":"","body":[{"name":"Homepage","id":"2AV4WUEMK"},{"name":"Zeppelin Tutorial","id":"2A94M5J1Z"}]}

docs/docs/rest-api/rest-notebook.md

@@ -61,7 +61,7 @@ limitations under the License.
     </tr>
     <tr>
       <td> sample JSON response </td>
-      <td> [List response sample](rest-json/rest-json-notebook-list-response.json) </td>
+      <td><pre>{"status":"OK","message":"","body":[{"name":"Homepage","id":"2AV4WUEMK"},{"name":"Zeppelin Tutorial","id":"2A94M5J1Z"}]}</pre></td>
     </tr>
   </table>
   

docs/docs/storage/storage.md

@@ -4,7 +4,19 @@ title: "Storage"
 description: "Notebook Storage option for Zeppelin"
 group: storage
 ---
+<!--
+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.
+-->
 ### Notebook Storage
 
 In Zeppelin there are two option for storage Notebook, by default the notebook is storage in the notebook folder in your local File System and the second option is S3.