Upgrade to a real engine

gems/bess/Rakefile

@@ -4,4 +4,6 @@
 # Full license explanation at https://github.com/houdiniproject/houdini/blob/master/LICENSE
 require "bundler/setup"
 
+load "rails/tasks/statistics.rake"
+
 require "bundler/gem_tasks"

gems/bess/bin/rails

@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+# This command will automatically be run when you run "rails" with Rails gems
+# installed from the root of your application.
+
+ENGINE_ROOT = File.expand_path('..', __dir__)
+ENGINE_PATH = File.expand_path('../lib/houdini/engine', __dir__)
+
+# Set up gems listed in the Gemfile.
+ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
+require "bundler/setup" if File.exist?(ENV["BUNDLE_GEMFILE"])
+
+require "rails"
+
+# Pick the frameworks you want
+#require "active_model/railtie"
+
+#require "active_job/railtie"
+#require "active_record/railtie"
+#require "active_storage/engine" # required because, bizarrely ActiveSupport doesn't work
+#require "action_controller/railtie"
+#require "action_mailer/railtie"
+#require "action_view/railtie"
+#require "action_cable/engine"
+#require "sprockets/railtie"
+
+
+require "rails/engine/commands"