Added fauxhai, rubocop, knife-spork, and kitchen-vagrant to verify

This will cause verify to fail on Windows, catching https://github.com/opscode/chef-dk/issues/221
Working on a change to omnibus-chef to correct this problem.
cc @btm @opscode/client-engineers 
i don't think so, tmp dir will create a dir and return that as cwd, which gets joined to foo.rb