Update README.md

Author: sscarduzio

README.md

@@ -4,6 +4,8 @@ This plugin makes possible to expose the high performance HTTP server embedded i
 No more proxies! Yay Ponies!
 ###  Download the latest build
 
+* Elastic Search 1.7.x  [elasticsearch-readonlyrest-v1.4_es-v1.7.*.zip](https://github.com/sscarduzio/elasticsearch-readonlyrest-plugin/blob/master/download/elasticsearch-readonlyrest-v1.4_es-v1.7.1.zip?raw=true)
+* 
 * Elastic Search 1.6.x  [elasticsearch-readonlyrest-v1.4_es-v1.6.*.zip](https://github.com/sscarduzio/elasticsearch-readonlyrest-plugin/blob/master/download/elasticsearch-readonlyrest-v1.4_es-v1.6.0.zip?raw=true)
 
 * Elastic Search 1.5.x  [elasticsearch-readonlyrest-v1.3_es-v1.5.*.zip](https://github.com/sscarduzio/elasticsearch-readonlyrest-plugin/blob/master/download/elasticsearch-readonlyrest-v1.3_es-v1.5.2.zip?raw=true)