add shields

Author: laktak

README.md

@@ -1,5 +1,8 @@
 # hjson-php
 
+[![Build Status](https://img.shields.io/travis/laktak/hjson-php.svg?style=flat-square)](http://travis-ci.org/laktak/hjson-php)
+[![Packagist](https://img.shields.io/packagist/v/laktak/hjson.svg?style=flat-square)](https://packagist.org/packages/laktak/hjson)
+
 [Hjson](http://hjson.org), the Human JSON. A configuration file format that caters to humans and helps reduce the errors they make.
 
 ```