AsyncHttpClient/async-http-client — pull request #771 by kryger (2014-12-02 16:53:58+00:00)
Title: Update README.md

PDF version of the guide is a 404 : http://is.gd/kexrN -> https://github.com/AsyncHttpClient/async-http-client/raw/master/docs/AHCQuickStartGuide.pdf , I couldn't find it anywhere else.