Upgrade to Rails 4.1
Update unicorn config template to fix database config
https://devcenter.heroku.com/articles/concurrency-and-database-connections#multi-process-servers
Fix Rails app config in staging
Use new `config/secrets.yml` convention with existing `SECRET_KEY_BASE` environment variable setup.
Merge pull request #8 from craftsmen/rails-4.1

Rails 4.1