Display Unlicense prominently in README

Author: eriwen

README.md

@@ -1,6 +1,6 @@
 error-stack-parser.js - Extract meaning from JS Errors
 ===============
-[![Build Status](https://travis-ci.org/stacktracejs/error-stack-parser.svg?branch=master)](https://travis-ci.org/stacktracejs/error-stack-parser) [![Coverage Status](https://img.shields.io/coveralls/stacktracejs/error-stack-parser.svg)](https://coveralls.io/r/stacktracejs/error-stack-parser) [![Code Climate](https://codeclimate.com/github/stacktracejs/error-stack-parser/badges/gpa.svg)](https://codeclimate.com/github/stacktracejs/error-stack-parser)
+[![Build Status](https://travis-ci.org/stacktracejs/error-stack-parser.svg?branch=master)](https://travis-ci.org/stacktracejs/error-stack-parser) [![Coverage Status](https://img.shields.io/coveralls/stacktracejs/error-stack-parser.svg)](https://coveralls.io/r/stacktracejs/error-stack-parser) [![GitHub license](https://img.shields.io/github/license/stacktracejs/error-stack-parser.svg)](http://unlicense.org)
 
 Simple, cross-browser [Error](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error) parser.
 This library parses and extracts function names, URLs, line numbers, and column numbers from the given Error's `stack` as
@@ -35,5 +35,3 @@ https://raw.githubusercontent.com/stacktracejs/error-stack-parser/master/dist/er
 ## Contributing
 Want to be listed as a *Contributor*? Start with the [Contributing Guide](CONTRIBUTING.md)!
 
-## License
-This project is licensed to the [Public Domain](http://unlicense.org)