rvm:
  - 1.9.3
  - 2.0.0
  - 2.1.2

before_install:
  - git submodule update --init --recursive

rvm:
  - 1.9.3
  - 2.0
  - 2.1
  - 2.2

before_install:
  - git submodule update --init --recursive

Test on Ruby 2.2 and auto test on patched versions
Test on Ruby 2.2 and auto test on patched versions