Vendor the external cookbooks

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

cookbooks/php/templates/default/extension.ini.erb

@@ -0,0 +1,7 @@
+; configuration for php <%= @name %> module
+<% @extensions.each do |filepath, zend| -%>
+<%= 'zend_' if zend %>extension=<%= filepath %>
+<% end -%>
+<% @directives.each do |k,v| -%>
+<%= "#{@name}.#{k}=#{v}" %>
+<% end -%>