README.md in right_develop-3.1.4 vs README.md in right_develop-3.1.5

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 # RightDevelop
 
 [![Build Status](https://travis-ci.org/rightscale/right_develop.svg?branch=master)](https://travis-ci.org/rightscale/right_develop)
 
+[![Coverage Status](https://img.shields.io/coveralls/rightscale/right_develop.svg)](https://coveralls.io/r/rightscale/right_develop)
+
 This is a library of reusable testing tools to aid TDD, CI and other best practices. It consists of
 Rake tasks, command-line tools and Ruby classes. 
 
 Maintained by the RightScale Engineering Team.
 