Vendor the external cookbooks

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

cookbooks/postgresql/templates/postgresql.conf.erb

@@ -0,0 +1,26 @@
+# PostgreSQL configuration file
+# This file was automatically generated and dropped off by chef!
+# Please refer to the PostgreSQL documentation for details on
+# configuration settings.
+
+data_directory = '<%= @data_dir %>'
+hba_file = '<%= @hba_file %>'
+ident_file = '<%= @ident_file %>'
+external_pid_file = '<%= @external_pid_file %>'
+stats_temp_directory = '<%= @stats_temp_directory %>'
+port = <%= @port %>
+<% @additional_config.sort.each do |key, value| %>
+<% next if value.nil? -%>
+<%= key %> = <%=
+  case value
+  when String
+    "'#{value}'"
+  when TrueClass
+    'on'
+  when FalseClass
+    'off'
+  else
+    value
+  end
+%>
+<% end %>