Added build status image to readme

README.md

@@ -1,4 +1,6 @@
 # Knigopis
 Android app for http://knigopis.com
 
+[![Build Status](https://travis-ci.org/sirekanyan/knigopis.svg?branch=master)](https://travis-ci.org/sirekanyan/knigopis)
+
 <a href='https://play.google.com/store/apps/details?id=com.sirekanyan.knigopis'><img alt='Get it on Google Play' src='https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png'/></a>