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 branch 'master' of github.com:Ericsson/puppet-module-motd into rspec_puppet_v1

Conflicts:
	.travis.yml
	Rakefile
Remove trailing whitespace to pass lint
Merge pull request #8 from ghoneycutt/rspec_puppet_v1

Support rspec-puppet v1.0.0