rvm:
  - 1.9.3
  - 2.0.0
script: bundle exec rspec

rvm:
  - 1.9.3
  - 2.0.0
  - 2.1.0
script: bundle exec rspec

Add Ruby 2.1.0 to TravisCI builds
Add Ruby 2.1.0 to TravisCI builds

We want to ensure that `haml-lint` is supported on the latest stable
Ruby version.

Change-Id: I4109573c1f4b95329e061592e4492f2cc056eb57
Reviewed-on: http://gerrit.causes.com/36176
Tested-by: jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@causes.com>
Reviewed-by: Shane da Silva <6f6e68d1df92f30cb4b3ce35260ddf94a402f33d@causes.com>
