Merge pull request #19 from micahduron/readme-update

Update README

Author: Matt Bernier

README.md

@@ -1,4 +1,10 @@
+![SendGrid Logo](https://uiux.s3.amazonaws.com/2016-logos/email-logo%402x.png)
+
 [![Travis Badge](https://travis-ci.org/sendgrid/smtpapi-python.svg?branch=master)](https://travis-ci.org/sendgrid/smtpapi-python)
+[![Email Notifications Badge](https://dx.sendgrid.com/badge/python)](https://dx.sendgrid.com/newsletter/python)
+[![Twitter Follow](https://img.shields.io/twitter/follow/sendgrid.svg?style=social&label=Follow)](https://twitter.com/sendgrid)
+[![GitHub contributors](https://img.shields.io/github/contributors/sendgrid/smtpapi-python.svg)](https://github.com/sendgrid/smtpapi-python/graphs/contributors)
+[![MIT Licensed](https://img.shields.io/badge/license-MIT-blue.svg)](LICENSE.txt)
 
 **This module helps build SendGrid's SMTP API headers.**
 
@@ -57,3 +63,6 @@ smtpapi-python is guided and supported by the SendGrid [Developer Experience Tea
 smtpapi-python is maintained and funded by SendGrid, Inc. The names and logos for smtpapi-python are trademarks of SendGrid, Inc.
 
 ![SendGrid Logo](https://uiux.s3.amazonaws.com/2016-logos/email-logo%402x.png)
+
+# License
+[The MIT License (MIT)](LICENSE.txt)