add version, license, & downloads badge

use shields.io for some svg badge support

README.md

@@ -1,5 +1,8 @@
-[![Build Status](https://travis-ci.org/davidtingsu/html2hamlpy.png?branch=master)](https://travis-ci.org/davidtingsu/html2hamlpy)
-[![Coverage Status](https://coveralls.io/repos/davidtingsu/html2hamlpy/badge.png?branch=master)](https://coveralls.io/r/davidtingsu/html2hamlpy)
+[![Build Status](http://img.shields.io/travis/davidtingsu/html2hamlpy/master.svg)](https://travis-ci.org/davidtingsu/html2hamlpy?branch=master)
+[![Coverage Status](http://img.shields.io/coveralls/davidtingsu/html2hamlpy/master.svg)](https://coveralls.io/r/davidtingsu/html2hamlpy?branch=master)
+[![Latest Version](https://pypip.in/version/html2hamlpy/badge.svg)](https://pypi.python.org/pypi/html2hamlpy/)
+[![Downloads](https://pypip.in/d/html2hamlpy/badge.svg)](https://pypi.python.org/pypi/html2hamlpy/)
+[![License](https://pypip.in/license/html2hamlpy/badge.svg)](https://pypi.python.org/pypi/html2hamlpy/)
 html2hamlpy
 =======
 Converts HTML to [HamlPy](https://github.com/jessemiller/HamlPy)