Fix rubocop brace error in Rubocop 0.28
Merge pull request #24 from acharlieh/rubocop-0.28

Fix rubocop brace error with Rubocop 0.28
Fixes #14 Update node attributes to strings and use use_inline_resources if it is available
updated travis.yml to include foodcritic
Refactored forwarder_monitor to use the splunk_app provider