language: ruby
rvm:
  - 1.9.2
  - 1.9.3
  - 2.0.0
  - 2.1.0
  - jruby-19mode
  - rbx
script: "bundle exec rake"

language: ruby
rvm:
  - 2.3.0
  - 2.2.4
  - 2.1.10
  - ruby-head
  - jruby-9
  - jruby-head
  - rbx-2
script: "bundle exec rake"

Update list of ruby versions to test on CI
Update list of ruby versions to test on CI

- Remove 1.9 and 2.0 versions
- Upgrade to jruby-9 and rbx-2
- Add 2.2.x and 2.3.x versions
- Add ruby head and jruby head
