Unicorn Configuration Suggestion

Hey guys!

Let me know what you think about these configurations for Unicorn, specially when running on Heroku's infrastructure.

These configurations were based on the following links:

- http://blog.newrelic.com/2013/05/28/unicorn-rawk-kick-gc-out-of-the-band/
- http://www.akitaonrails.com/2013/05/02/opcoes-de-hospedagem-rails-heroku#.Ub5EY0BDvRR
- http://devblog.thinkthroughmath.com/blog/2013/02/27/managing-request-queuing-with-rails-on-heroku/
- https://speakerdeck.com/mirakui/high-performance-rails-long-edition