[s3] added license to README

s3/README.md

+<!--
+Copyright (c) 2015 YCSB contributors. 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. See accompanying
+LICENSE file.
+-->
 Quick Start
 ===============
 ### 1. Set Up YCSB

s3/src/main/java/com/yahoo/ycsb/db/S3Client.java

@@ -192,7 +192,7 @@ public class S3Client extends DB {
           }
           protocol = props.getProperty("s3.protocol");
           if (protocol == null){
-            protocol = propsCL.getProperty("s3.protocol", "HTTP");
+            protocol = propsCL.getProperty("s3.protocol", "HTTPS");
           }
           sse = props.getProperty("s3.sse");
           if (sse == null){