Vendor the external cookbooks

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

cookbooks/nginx/recipes/socketproxy.rb

@@ -0,0 +1,23 @@
+include_recipe 'nginx::commons_dir'
+
+directory node['nginx']['socketproxy']['root'] do
+  owner node['nginx']['socketproxy']['app_owner']
+  group node['nginx']['socketproxy']['app_owner']
+  mode '0755'
+  action :create
+end
+
+context_names = node['nginx']['socketproxy']['apps'].map do |_app, app_conf|
+  app_conf['context_name']
+end
+
+raise 'More than one app has the same context_name configured.' if context_names.uniq.length != context_names.length
+
+template node['nginx']['dir'] + '/sites-available/socketproxy.conf' do
+  source 'modules/socketproxy.conf.erb'
+  notifies :reload, 'service[nginx]', :delayed
+end
+
+link node['nginx']['dir'] + '/sites-enabled/socketproxy.conf' do
+  to node['nginx']['dir'] + '/sites-available/socketproxy.conf'
+end