rvm:
  - 1.9.3
  - 2.0.0
  - 2.1.5
  - 2.2.2
cache: bundler
sudo: false
rvm:
  - 1.9.3
  - 2.0.0
  - 2.1.5
  - 2.2.2
  - ruby-head
cache: bundler
sudo: false
matrix:
  allow_failures:
    - rvm: 1.9.3
    - rvm: ruby-head
Add ruby-head and allow Unicorn failure on 1.9.3
Add ruby-head and allow Unicorn failure on 1.9.3
