rubocop: rewrite read_attribute method to self[attr] style.
rubocop: rewrite validate_presence_of to validates attr, presence: true style
rubocop: rewrite write_attribute to self[attr] = value style
rubocop: rewrite before_filter to before_action style

before_filter is old style, Rails 3
rubocop: rewrite validate_presence_of to validates attr, presence: true style
rubocop: rewrite read_attribute method to self[attr] style.
Merge pull request #9 from gouf/rubocop_rails_style

rubocop rails style
add services item mongodb to .travis.yml

Travis CI: MongoDB is not started on boot.
Merge branch 'gouf-travis_ci_with_mongodb'
fix: .travis.yml
add gem guard-rspec
update Guardfile to add rspec config
guard init rspec
Update Guardfile grouped in Rubocop and RSpec
Merge pull request #11 from gouf/guard_rspec

guard-rspec
rubocop: disable Rails/Output
add gem fuubar

RSpec output formatter
update .rspec to add format option, fuubar
Merge pull request #12 from gouf/fuubar

gem fuubar, rspec output formatter
rspec: models
fix: models' rspec