Readme: follow common formats more closely

Author: rstacruz

Readme.md

@@ -1,9 +1,13 @@
 NProgress
 =========
 
+> Minimalist progress bar
+
 Slim progress bars for Ajax'y applications. Inspired by Google, YouTube, and
 Medium.
 
+[![Status](https://api.travis-ci.org/rstacruz/nprogress.svg?branch=master)](http://travis-ci.org/rstacruz/nprogress) 
+[![npm version](https://img.shields.io/npm/v/nprogress.png)](https://npmjs.org/package/nprogress "View this project on npm")
 
 Installation
 ------------
@@ -19,8 +23,14 @@ NProgress is available via [bower] and [npm].
 
     $ npm install --save nprogress
 
+Also available via [unpkg] CDN:
+
+- https://unpkg.com/nprogress@0.2.0/nprogress.js
+- https://unpkg.com/nprogress@0.2.0/nprogress.css
+
 [bower]: http://bower.io/search/?q=nprogress
 [npm]: https://www.npmjs.org/package/nprogress
+[unpkg]: https://unpkg.com/
 
 Basic usage
 -----------
@@ -192,16 +202,15 @@ __Questions__: ask them at StackOverflow with the tag *nprogress*.<br>
 __Chat__: join us at gitter.im.<br>
 [![Chat](http://img.shields.io/badge/gitter-rstacruz / nprogress-brightgreen.svg)]( https://gitter.im/rstacruz/nprogress )
 
-[default template]: 
-https://github.com/rstacruz/nprogress/blob/master/nprogress.js#L31
+[default template]: https://github.com/rstacruz/nprogress/blob/master/nprogress.js#L31
 [Turbolinks]: https://github.com/rails/turbolinks
 [nprogress.js]: http://ricostacruz.com/nprogress/nprogress.js
 [nprogress.css]: http://ricostacruz.com/nprogress/nprogress.css
 
 Thanks
 ------
 
-**NProgress** © 2013-2014, Rico Sta. Cruz. Released under the [MIT License].<br>
+**NProgress** © 2013-2017, Rico Sta. Cruz. Released under the [MIT License].<br>
 Authored and maintained by Rico Sta. Cruz with help from [contributors].
 
 > [ricostacruz.com](http://ricostacruz.com) &nbsp;&middot;&nbsp;
@@ -211,6 +220,5 @@ Authored and maintained by Rico Sta. Cruz with help from [contributors].
 [MIT License]: http://mit-license.org/
 [contributors]: http://github.com/rstacruz/nprogress/contributors
 
-[![Status](https://api.travis-ci.org/rstacruz/nprogress.svg?branch=master)](http://travis-ci.org/rstacruz/nprogress) 
-[![npm version](https://img.shields.io/npm/v/nprogress.png)](https://npmjs.org/package/nprogress "View this project on npm")
-[![spm package](http://spmjs.io/badge/nprogress)](http://spmjs.io/package/nprogress)
+[![](https://img.shields.io/github/followers/rstacruz.svg?style=social&label=@rstacruz)](https://github.com/rstacruz) &nbsp;
+[![](https://img.shields.io/twitter/follow/rstacruz.svg?style=social&label=@rstacruz)](https://twitter.com/rstacruz)