docs(readme): reformat at 80 characters and include browserstack link

By including this, _BrowserStack_ will allow us to do free testing of
the site on their platform.

README.md

@@ -1,47 +1,61 @@
 # webpack.js.org
 
-[![build status](https://secure.travis-ci.org/webpack/webpack.js.org.svg)](http://travis-ci.org/webpack/webpack.js.org)
-[![Standard Version](https://img.shields.io/badge/release-standard%20version-brightgreen.svg)](https://github.com/conventional-changelog/standard-version)
+[![Build Status][13]][10]
+[![Standard Version][12]][11]
 
 Guides, documentation, and all things webpack.
 
 
 ## Content Progress
 
-Now that we've covered much of the backlog of _missing documentation_, we are starting
-to heavily review each section of the site's content to sort and structure it appropriately.
-The following issues should provide a pretty good idea of where things are, and where
-they are going:
+Now that we've covered much of the backlog of _missing documentation_, we are
+starting to heavily review each section of the site's content to sort and
+structure it appropriately. The following issues should provide a pretty good
+idea of where things are, and where they are going:
 
 - [Guides - Review and Simplify][1]
-- [Concepts - Review, Organize, Define Clear Goals][2]
+- [Concepts - Review and Organize][2]
+- [API - v4 Rewrite][8]
 
-We haven't created issues for the other sections yet, but they will be coming soon. For
-dev-related work please see [General - Current Longterm Plan][3], which will soon be
-replaced by a more dev-specific issue.
+We haven't created issues for the other sections yet, but they will be coming
+soon. For dev-related work please see [General - Updates & Fixes][3].
 
 
 ## Translation
 
-If you hope to localize this documentation please jump to the [translate branch][4].
+To help translate this documentation please jump to the [translate branch][4].
 
 
 ## Contributing
 
-Read through the [writer's guide][7] if you're interested in editing the content on this
-site. See the [contributors page][5] to learn how to set up and start working on the site
-locally.
+Read through the [writer's guide][7] if you're interested in editing the
+content on this site. See the [contributors page][5] to learn how to set up and
+start working on the site locally.
 
 
 ## License
 
 The content is available under the [Creative Commons BY 4.0][6] license.
 
 
+## Special Thanks
+
+_BrowserStack_ has graciously allowed us to do cross-browser and cross-os
+testing of the site at no cost...
+
+[![BrowserStackLogo](./browserstack-logo.png)][9]
+
+
 [1]: https://github.com/webpack/webpack.js.org/issues/1258
 [2]: https://github.com/webpack/webpack.js.org/issues/1386
-[3]: https://github.com/webpack/webpack.js.org/issues/1380
+[3]: https://github.com/webpack/webpack.js.org/issues/1525
 [4]: https://github.com/webpack/webpack.js.org/tree/translation
 [5]: https://github.com/webpack/webpack.js.org/blob/master/.github/CONTRIBUTING.md
 [6]: https://creativecommons.org/licenses/by/4.0/
 [7]: https://webpack.js.org/writers-guide
+[8]: https://github.com/webpack/webpack.js.org/pull/1754
+[9]: http://browserstack.com/
+[10]: http://travis-ci.org/webpack/webpack.js.org
+[11]: https://github.com/conventional-changelog/standard-version
+[12]: https://img.shields.io/badge/release-standard%20version-brightgreen.svg
+[13]: https://secure.travis-ci.org/webpack/webpack.js.org.svg