rvm:
  - 1.8.7
  - 1.9.2
  - 1.9.3
  - jruby-19mode
  - jruby-18mode
  - rbx-19mode
  - rbx-18mode
  - ruby-head
  - ree
rvm:
  - 1.8.7
  - 1.9.2
  - 1.9.3
  - jruby-19mode
  - jruby-18mode
  #- rbx-19mode # Not working on travis
  - rbx-18mode
  - ruby-head
  - ree
Remove rbx 1.9 from CI. Some bug in it.
Remove rbx 1.9 from CI. Some bug in it.
