Vendor the external cookbooks

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

cookbooks/firewall/libraries/provider_firewall_rule.rb

@@ -0,0 +1,34 @@
+#
+# Author:: Ronald Doorn (<rdoorn@schubergphilis.com>)
+# Cookbook:: firewall
+# Provider:: rule_iptables
+#
+# Copyright:: 2015-2016, computerlyrik
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+class Chef
+  class Provider::FirewallRuleGeneric < Chef::Provider::LWRPBase
+    provides :firewall_rule
+
+    def action_create
+      return unless new_resource.notify_firewall
+
+      firewall_resource = Chef.run_context.resource_collection.find(firewall: new_resource.firewall_name)
+      raise 'could not find a firewall resource' unless firewall_resource
+
+      new_resource.notifies(:restart, firewall_resource, :delayed)
+      new_resource.updated_by_last_action(true)
+    end
+  end
+end