README.md in pubsubstub-0.0.4 vs README.md in pubsubstub-0.0.5

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 # Pubsubstub
 
+[![Build Status](https://travis-ci.org/gmalette/pubsubstub.svg?branch=master)](https://travis-ci.org/gmalette/pubsubstub)
+
 Pubsubstub is a rack middleware to add Pub/Sub
 
 ## Installation
 
 Add this line to your application's Gemfile: