Support rspec-puppet v1.0.0

include_class has been replaced with contain_class.
http://bombasticmonkey.com/2013/12/05/rspec-puppet-1.0.0/
Merge pull request #17 from ghoneycutt/rspec_puppet_v1

Support rspec-puppet v1.0.0
Enable fast finish in Travis

http://blog.travis-ci.com/2013-11-27-fast-finishing-builds/
Test against Ruby v2.0.0 though allow it to fail
Drop support for Puppet v2.7
Test against Puppet v3.4
Merge pull request #18 from ghoneycutt/travis

Travis