Introduce About thoughtbot section

* Move the thanks to contributors to the contributing section
* Introduce the new "About thoughtbot" section.

README.md

@@ -893,23 +893,25 @@ guidelines:
 
 Please see `CONTRIBUTING.md` for more details on contributing and running test.
 
----
+Thank you to all [the contributors](https://github.com/thoughtbot/paperclip/contributors)!
 
-Credits
+License
 -------
 
-![thoughtbot](http://thoughtbot.com/logo.png)
+Paperclip is Copyright © 2008-2015 thoughtbot, inc. It is free software, and may be
+redistributed under the terms specified in the MIT-LICENSE file.
 
-Paperclip is maintained and funded by [thoughtbot, inc](http://thoughtbot.com/community)
+About thoughtbot
+----------------
 
-Thank you to all [the contributors](https://github.com/thoughtbot/paperclip/contributors)!
+![thoughtbot](https://thoughtbot.com/logo.png)
 
+Paperclip is maintained and funded by thoughtbot.
 The names and logos for thoughtbot are trademarks of thoughtbot, inc.
 
----
-
-License
--------
+We love open source software!
+See [our other projects][community] or
+[hire us][hire] to design, develop, and grow your product.
 
-Paperclip is Copyright © 2008-2015 thoughtbot, inc. It is free software, and may be
-redistributed under the terms specified in the MIT-LICENSE file.
+[community]: https://thoughtbot.com/community?utm_source=github
+[hire]: https://thoughtbot.com?utm_source=github