rvm:
  - 1.8.7
  - 1.9.2
  - 1.9.3
  - 2.0.0
  - ree
  - jruby
  - rbx-2.0

rvm:
  - 1.8.7
  - 1.9.2
  - 1.9.3
  - 2.0.0
  - ree
  - jruby
  - rbx-19mode

Use rbx-19mode instead of rbx-2.0
Use rbx-19mode instead of rbx-2.0