Adds CI status to README

README.md

@@ -1,4 +1,5 @@
 # Flasher.js
+[![Build Status](https://api.travis-ci.org/thingsSDK/flasher.js.svg)](https://travis-ci.org/thingsSDK/flasher.js)
 
 _Flasher.js_ is a tool to get JavaScript running natively on
 the Internet of Things device, ESP8266. This application runs on