Upgrade to Ruby 2.1.4

https://www.ruby-lang.org/en/news/2014/10/27/ruby-2-1-4-released/
Add links to the config and faq page in README.md

In an effort to work on issue #480

https://trello.com/c/12v0OLgm/411-add-link-to-faq-and-config-pages-in-readme-file