README: Add gemnasium badge

README.md

@@ -2,6 +2,7 @@ ownCloud Cookbook
 =================
 [![Cookbook Version](https://img.shields.io/cookbook/v/owncloud.svg?style=flat)](https://supermarket.getchef.com/cookbooks/owncloud)
 [![GitHub Source](https://img.shields.io/badge/source-GitHub-blue.svg?style=flat)](https://github.com/zuazo/owncloud-cookbook)
+[![Dependency Status](http://img.shields.io/gemnasium/zuazo/ssl_certificate-cookbook.svg?style=flat)](https://gemnasium.com/zuazo/ssl_certificate-cookbook)
 [![Code Climate](http://img.shields.io/codeclimate/github/zuazo/owncloud-cookbook.svg?style=flat)](https://codeclimate.com/github/zuazo/owncloud-cookbook)
 [![Build Status](http://img.shields.io/travis/zuazo/owncloud-cookbook.svg?style=flat)](https://travis-ci.org/zuazo/owncloud-cookbook)
 [![Coverage Status](http://img.shields.io/coveralls/zuazo/owncloud-cookbook.svg?style=flat)](https://coveralls.io/r/zuazo/owncloud-cookbook?branch=master)