before_install:
  - gem install bundler

rvm:
  - 2.2.5
  - 2.3.1

before_install:
  - gem install bundler

rvm:
  - 2.0.0
  - 2.1.2
Revert "activesupport-5.0.0.1 requires ruby version >= 2.2.2, now so do we, so test on newer rubies"
Revert "activesupport-5.0.0.1 requires ruby version >= 2.2.2, now so do we, so test on newer rubies"

This reverts commit c512cb3b0ed5cb1afd5a26455ba97e9bc49060c8.
