Generate new Rails application

Used: rails new . --database=postgresql --skip-test-unit

Also moved the Rails secret token to an environment variable.

See: http://guides.rubyonrails.org/command_line.html#rails-new
Specify Ruby version

Use Ruby 2.0.0-p247, specified both in .ruby-version and Gemfile.

See:
https://devcenter.heroku.com/articles/ruby-versions
https://gist.github.com/fnichol/1912050
Install Foreman, add configuration and Procfile

Foreman runs the application in development, as described in the
Procfile.

See:
https://github.com/ddollar/foreman
https://devcenter.heroku.com/articles/procfile
Add Heroku rails_12factor gem

See:
https://devcenter.heroku.com/articles/getting-started-with-rails4#heroku-gems
Use Slim for templates

See: http://slim-lang.com/
Add gems to aid in debugging

- better_errors
- binding_of_caller
- pry
Use Travis for continuous integration/deployment

See: https://travis-ci.org
Install RSpec

See: http://rspec.info/
Create empty database schema
Use HTML5 Boilerplate for application template
Add "coming soon" landing page
Remove Turbolinks
Install Zurb Foundation framework

See: http://foundation.zurb.com/