peg rspec-puppet gem version < 1

rspec-puppet >= 1.0 removed the catalogue method which breaks the param
method in `spec/spec_helper.rb`.  Hopefully, this method will be re-added
in a subsequent release.
update rspec-puppet tests to use contain_class() instead of include_class()
Merge pull request #339 from jhoblitt/rspec-puppet-fixes

Rspec puppet fixes