Vendor the external cookbooks

Knife-Zero doesn't include Berkshelf support, so vendoring everything in
the repo is convenient again

cookbooks/hostname/Rakefile

@@ -0,0 +1,15 @@
+require 'foodcritic'
+require 'rspec/core/rake_task'
+require 'rubocop/rake_task'
+
+RuboCop::RakeTask.new(:rubocop)
+
+FoodCritic::Rake::LintTask.new do |t|
+  t.options = {
+    fail_tags: ['any']
+  }
+end
+
+RSpec::Core::RakeTask.new(:spec)
+
+task default: %w[foodcritic rubocop spec]