rvm:
  - 1.9.3
  - 2.0.0
  - 2.1.0
script: bundle exec rake travis:ci

rvm:
  - 2.1.9
script: bundle exec rake travis:ci

Test on Ruby 2.1.9 only
Test on Ruby 2.1.9 only

Old rubies will fail to build due to deps that have dropped support

Signed-off-by: Tim Smith <764ef62106582a09ed09dfa0b6bff7c05fd7d1e4@chef.io>
