add travis badge

Kelly Selden · Kelly Selden · commit e23bf2aa8e5f · 2016-12-25T13:52:11.000-08:00
diff --git a/README.md b/README.md
@@ -1,6 +1,7 @@
 # Ember FastBoot
 
 [![npm version](https://badge.fury.io/js/ember-cli-fastboot.svg)](https://badge.fury.io/js/ember-cli-fastboot)
+[![Build Status](https://travis-ci.org/ember-fastboot/ember-cli-fastboot.svg?branch=master)](https://travis-ci.org/ember-fastboot/ember-cli-fastboot)
 
 An Ember CLI addon that allows you to render and serve Ember.js apps on
 the server. Using FastBoot, you can serve rendered HTML to browsers and
