Merge pull request #6 from tas50/master

Multiple fixes for why-run support, code correctness, and better ohai setup
bump version to 0.0.7
bugfix: this depends on recipe[ohai] having created directories
Merge pull request #7 from srenatus/ohai_dependency

bugfix: this depends on recipe[ohai] having created directories
bump version
Rubocop fixes and a rubocop config file
Update Ohai plugin for Ohai 7

Pretty big change since this requires Chef 11.12 when using Omnibus
installers.  Prevents warning messages for people using Ohai 7 though
and eventually the Ohai 6 compatibility will go away in Ohai 7