language: ruby
rvm:
  - 2.1.0
  - 2.0.0
  - 1.9.3
  - 1.9.2
  - rbx
script: bundle exec rake spec
cache: bundler

language: ruby
rvm:
  - 2.1.0
  - 2.0.0
  - 1.9.3
  - 1.9.2
  - rbx-2
script: bundle exec rake spec
cache: bundler

Switch to rbx-2 for Travis build.
Switch to rbx-2 for Travis build.

This should fix the "Requested binary installation but no rubies are available
to download" error in Travis for rbx.
