rvm:
  - "2.0.0"
  - "2.1"
  - "2.2"
  - jruby-19mode
  - rbx-19mode
before_script:
  - bundle exec appraisal install
script: bundle exec rake appraisal

rvm:
  - "2.0.0"
  - "2.1"
  - "2.2"
  - jruby-19mode
  - rbx-19mode
sudo: false
before_script:
  - bundle exec appraisal install
script: bundle exec rake appraisal

Use container-based infrastructure on Travis CI
Use container-based infrastructure on Travis CI

http://docs.travis-ci.com/user/migrating-from-legacy/
