Use rspec

- Add rspec-rails to Gemfile
- bundle install
- rails generate rspec:install
Use cucumber

- Add cucumber-rails, database_cleaner to Gemfile
- bundle install
- rails generate cucumber:install
Use haml

- Add haml-rails to Gemfile
- bundle install
- Rewrite layout/application.html.erb to layout/application.html.haml
rake db:migrate
Merge pull request #1 from merume/setup

Setup