language: ruby
rvm:
  - 2.1.0
before_install: gem install bundler -v 1.10.6

language: ruby
rvm:
  - 2.3.0
before_install: gem install bundler

Update Ruby version to 2.3.0
Update Ruby version to 2.3.0

The AI Games runs Ruby 2.3.0 now, which means we must test our code
against this version.
