Add Travis CI badge to read me

sandeepmistry · sandeepmistry · commit e1538724552c · 2017-12-27T20:15:09.000-05:00
diff --git a/README.md b/README.md
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 # Arduino CAN
 
+[![Build Status](https://travis-ci.org/sandeepmistry/arduino-CAN.svg?branch=master)](https://travis-ci.org/sandeepmistry/arduino-CAN)
+
 An Arduino library for sending and receiving data using CAN bus.
 
 ## Compatible Hardware
