Merge pull request #46 from bkw/badges

add gymnasium badge for dependencies

Author: chris-rock

README.md

@@ -3,6 +3,7 @@
 ![Supermarket](http://img.shields.io/cookbook/v/ssh-hardening.svg)
 ![Build Status](http://img.shields.io/travis/TelekomLabs/chef-ssh-hardening.svg)
 ![Code Coverage](http://img.shields.io/coveralls/TelekomLabs/chef-ssh-hardening.svg)
+![Dependencies](http://img.shields.io/gemnasium/TelekomLabs/chef-ssh-hardening.svg)
 
 ## Description