contrib/git-sync/demo: fix README, add license header

contrib/git-sync/demo/README.md

@@ -13,16 +13,18 @@ The pod is composed of 3 containers that share directories using 2 volumes:
 ## Usage
 
 Build the demo containers, and push them to a registry
-``
+
+```
 docker build -t <some-registry>/git-sync ..
 docker build -t <some-registry>/hugo hugo/
 docker push <some-registry>/hugo <some-registry>/git-sync
 ```
 
 Create the pod and the service for the blog
+
 ```
 kubectl pods create config/pod.html
 kubectl services create config/pod.html
 ```
 
-Open the external ip in your browser
+Open the service external ip in your browser

contrib/git-sync/demo/hugo/run-hugo

 #!/bin/bash
+
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# 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.
+
 set -ex
 if [ ! -d ${SRC}/themes ]; then
     ln -s /themes ${SRC}/themes