Vendor the external cookbooks

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

cookbooks/apache2/libraries/listen.rb

@@ -0,0 +1,45 @@
+# encoding: utf-8
+#
+# Cookbook:: apache2
+# Libraries:: listen
+#
+# Copyright:: 2015, Ontario Systems, LLC
+#
+# 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.
+#
+module Apache2
+  # Provides method to convert node['apache']['listen_ports'] and node['apache']['listen_addresses'] into new node['apache']['listen']
+  module Listen
+    # @param node [Chef::Node] the chef node
+    # @return [Hash] a hash indexed by address where the values are arrays of ports to listen to
+    def merge_listen_attributes(node)
+      (Apache2::Listen.converted_listen_ports_and_addresses(node) + node['apache']['listen']).uniq
+    end
+
+    module_function :merge_listen_attributes
+
+    private_class_method
+
+    def self.converted_listen_ports_and_addresses(node)
+      return [] unless node['apache']['listen_ports'] || node['apache']['listen_addresses']
+      Chef::Log.warn "node['apache']['listen_ports'] and node['apache']['listen_addresses'] are deprecated in favor of node['apache']['listen']. Please adjust your cookbooks"
+
+      # Defaults to * for addresses or 80 / 443 for ports if not specified
+      (node['apache']['listen_addresses'] || %w(*)).uniq.each_with_object([]) do |address, listen|
+        (node['apache']['listen_ports'] || %w(80 443)).uniq.each do |port|
+          listen << "#{address}:#{port}"
+        end
+      end
+    end
+  end
+end