rvm:
  - "2.1"
  - "2.2"

before_install:
  - gem install bundler

rvm:
  - "2.1"
  - "2.2"

before_install:
  - gem install bundler -v 1.10

Make sure we install the right version of Bundler on Travis.
Make sure we install the right version of Bundler on Travis.
