language: ruby
rvm:
  - 2.1
  - 2.2
  - rbx-2
  - jruby-9
  - jruby-head
before_install: gem install bundler -v 1.10.6
script: bundle exec rspec

language: ruby
rvm:
  - 2.1
  - 2.2
  - 2.3.1
  - 2.4.0-preview1
  - ruby-head
  - jruby-9
  - jruby-head
before_install: gem install bundler -v 1.10.6
script: bundle exec rspec

Add latest Rubies to build and remove Rubinius
Add latest Rubies to build and remove Rubinius

None of the `rbx` variants seem to build correctly out of the box with
`rvm` on Travis so remove them for now. I trust the Rubinius authors
are doing an awesome job—enough to not be too worried about this for
now.
