Use nginx 1.9.5 badge in readme

README.md

@@ -1,4 +1,4 @@
-![nginx 1.9.2](https://img.shields.io/badge/nginx-1.9.2-brightgreen.svg) ![License MIT](https://img.shields.io/badge/license-MIT-blue.svg)
+![nginx 1.9.5](https://img.shields.io/badge/nginx-1.9.5-brightgreen.svg) ![License MIT](https://img.shields.io/badge/license-MIT-blue.svg)
 
 nginx-proxy sets up a container running nginx and [docker-gen][1].  docker-gen generates reverse proxy configs for nginx and reloads nginx when containers are started and stopped.