URL shortener app by Daniel Wyckoff.
Borrows setup and some code from: http://andrewcallahan.github.io/blog/2014/02/26/make-your-own-url-shortener-with-rails-4-and-heroku/
Alphanumeric catalog that grows over time: your link is the next available alphanumeric one
Details about link creation available at /links/SLUG
Your link will auto-redirect to the provided page from /SLUG
Trending links page, sorted by most clicked links
Session use to remember your last-created link for future visits