update documentation with release 2.7.1

Author: dadoonet

README.md

@@ -7,15 +7,15 @@ for the unicast discovery mechanism and add S3 repositories.
 In order to install the plugin, run:
 
 ```sh
-bin/plugin install elasticsearch/elasticsearch-cloud-aws/2.6.1
+bin/plugin install elasticsearch/elasticsearch-cloud-aws/2.7.1
 ```
 
 You need to install a version matching your Elasticsearch version:
 
 | Elasticsearch | AWS Cloud Plugin | Docs |
 |------------------------|-------------------|------------------------------------------------------------------------------------------------------------------------------------|
 | master | Build from source | See below |
-| es-1.7 | 2.7.0 | [2.7.0](https://github.com/elastic/elasticsearch-cloud-aws/tree/v2.7.0/#version-270-for-elasticsearch-17) |
+| es-1.7 | 2.7.1 | [2.7.1](https://github.com/elastic/elasticsearch-cloud-aws/tree/v2.7.1/#version-271-for-elasticsearch-17) |
 | es-1.6 | 2.6.1 | [2.6.1](https://github.com/elastic/elasticsearch-cloud-aws/tree/v2.6.1/#version-261-for-elasticsearch-16) |
 | es-1.5 | 2.5.1 | [2.5.1](https://github.com/elastic/elasticsearch-cloud-aws/tree/v2.5.1/#version-251-for-elasticsearch-15) |
 | es-1.4 | 2.4.2 | [2.4.2](https://github.com/elasticsearch/elasticsearch-cloud-aws/tree/v2.4.2/#version-242-for-elasticsearch-14) |