update documentation with release 2.3.0

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/2.2.0
+bin/plugin -install elasticsearch/elasticsearch-cloud-aws/2.3.0
 ```
 
 You need to install a version matching your Elasticsearch version:
 
 |       Elasticsearch    |  AWS Cloud Plugin |                                                             Docs                                                                   |
 |------------------------|-------------------|------------------------------------------------------------------------------------------------------------------------------------|
 |    master              | Build from source | See below                                                                                                                          |
-|    es-1.3              | Build from source | [2.3.0-SNAPSHOT](https://github.com/elasticsearch/elasticsearch-cloud-aws/tree/es-1.3/#version-230-snapshot-for-elasticsearch-13)  |
+|    es-1.3              |     2.3.0         | [2.3.0](https://github.com/elasticsearch/elasticsearch-cloud-aws/tree/v2.3.0/#version-230-for-elasticsearch-13)                  |
 |    es-1.2              |     2.2.0         | [2.2.0](https://github.com/elasticsearch/elasticsearch-cloud-aws/tree/v2.2.0/#aws-cloud-plugin-for-elasticsearch)                  |
 |    es-1.1              |     2.1.1         | [2.1.1](https://github.com/elasticsearch/elasticsearch-cloud-aws/tree/v2.1.1/#aws-cloud-plugin-for-elasticsearch)                  |
 |    es-1.0              |     2.0.0         | [2.0.0](https://github.com/elasticsearch/elasticsearch-cloud-aws/tree/v2.0.0/#aws-cloud-plugin-for-elasticsearch)                  |