Foundational enhancements

- ruby-version/gemset
- unicorn, slim, less, rspec, capybara
- foreman
- database configuration
- guard-rspec
- basic auth
rake db:sample_data support
Disable unwanted generators.
Mailcatcher initializer.
Default hosts for action mailer.
Acceptance environment.
View tweaks

- Application layout
- Application.css.less and less partials
- Include bootstrap js
Generator/Scaffold templates.
Use the latest rails and ruby versions, 4.0.0.rc2 and 2.0.0-p195.
factory_girl is in the house.
Rails 4 Gemfiles don't include an assets group (and other tweaks).
Default to generating a rails_40 project (no way to specify rails_32 yet).