Vendor the external cookbooks

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

cookbooks/redis/Gemfile

@@ -0,0 +1,20 @@
+source "https://rubygems.org"
+
+chef_version = ENV.fetch("CHEF_VERSION", "11.16")
+
+gem "chef", "~> #{chef_version}"
+gem "chefspec", "~> 4.1.1" if chef_version =~ /^11/
+
+gem "berkshelf", "~> 3.2.1"
+gem "foodcritic", "~> 4.0.0"
+gem "license_finder", "~> 1.2.0"
+gem "rake"
+gem "rubocop", "~> 0.27.1"
+gem "serverspec", "~> 2.3.1"
+
+group :integration do
+  gem "busser-serverspec", "~> 0.5.3"
+  gem "guard-rspec", "~> 4.3.1"
+  gem "kitchen-vagrant", "~> 0.15.0"
+  gem "test-kitchen", "~> 1.2.1"
+end