language: ruby
rvm:
  - 1.8.7
  - 1.9.3
  - 2.2.5
  - 2.3.1
  - jruby-1.7.25
  - jruby-9.1.2.0
before_install:
  - gem install bundler

language: ruby
rvm:
  - 1.8.7
  - 1.9.3
  - 2.2.6
  - 2.3.3
  - 2.4.0
  - jruby-1.7.26
  - jruby-9.1.8.0
before_install:
  - gem install bundler

Update Travis CI Ruby versions
Update Travis CI Ruby versions

Add

- MRI 2.4.0

Update

- MRI 2.2.5 to 2.2.6
- MRI 2.3.1 to 2.3.3
- JRuby 1.7.25 to 1.7.26
- JRuby 9.1.2.0 to 9.1.8.0
