language: ruby
rvm:
  - 2.1.10
  - 2.2.5
  - 2.3.1

language: ruby

matrix:
  include:
    - rvm: 2.1.10
    - rvm: 2.2.5
    - rvm: 2.3.1
    - rvm: jruby-9.1.2.0
      env: JRUBY_OPTS=""

Add modern jruby to Travis matrix
Add modern jruby to Travis matrix

We resort to this hack because of travis-ci/travis-ci#6471.
