Vendor the external cookbooks

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

cookbooks/mariadb/resources/configuration.rb

@@ -0,0 +1,13 @@
+#
+# Cookbook Name:: mariadb
+# Resource:: configuration
+#
+
+actions :add, :remove
+default_action :add
+
+# name of the extra conf file, used for .cnf filename
+attribute :conf_name, kind_of: String, name_attribute: true
+attribute :section, kind_of: String
+attribute :option,  kind_of: Hash, default: {}
+attribute :cookbook, kind_of: String, default: nil