Add ruby-2.1.0 to .travis.yml
Import fix from https://github.com/puppetlabs/puppet/pull/2184/files
Documentation label can can be an array under ruby-2.1.0 - if it's an array, use the first element as the key.
Define rspec version - tests don't work with rspec 3+
Update to 0.1.1, add support for ruby 2.1.0