Using the rakefile required additional gems for berkshelf, vagrant-wrapper, and kitchen-vagrant, to be explicitly defined
After discussing with Ryan, the simple use case is just a config hash, all going into one /etc/sysctl.d/50-chef-attributes.conf file. This change makes that example work.
rubocop wants single quotes, since I removed the variable from the string
LWRPs work again
add serverspec tests for the e LWRPs using test-kitchen, a test cookbook that runs LWRPs, and a new test suite
Merge pull request #11 from martinb3/master

Rewrite of sysctl cookbook, includes test-kitchen suite for testing LWRPs using a test cookbook & serverspec