rvm:
  - 1.9.2
  - 1.9.3
  - 2.0.0
  - 2.1.0
  - 2.1.1
  - 2.1.5
  - ruby-head
  - jruby-19mode # JRuby in 1.9 mode
  - rbx

rvm:
  - 1.9.2
  - 1.9.3
  - 2.0.0
  - 2.1.5
  - 2.2.0
  - ruby-head
  - jruby-19mode # JRuby in 1.9 mode
  - rbx

Add Ruby 2.2.0 to CI build matrix
Add Ruby 2.2.0 to CI build matrix
