Fixes #21 use comparison for platform based attributes
instead of platform_family? as that is not available in chef 10
Merge pull request #23 from david-crowder/fix-old-chef-attributes

Fixes #21 use comparison for platform based attributes
Fixes #14 Update node attributes to strings

updated travis.yml to include foodcritic

Refactored forwarder_monitor to use the splunk_app provider