Improve requiring of additional routes

This is more appropriate, and allows changes the separate route files to
be loaded automatically in the development environment.

config/application.rb

@@ -92,6 +92,12 @@ module Openfoodnetwork
       #{config.root}/app/jobs
     )
 
+    config.paths["config/routes"] = %w(
+      config/routes.rb
+      config/routes/admin.rb
+      config/routes/spree.rb
+    ).map { |relative_path| Rails.root.join(relative_path) }
+
     # Only load the plugins named here, in the order given (default is alphabetical).
     # :all can be used as a placeholder for all plugins not explicitly named.
     # config.plugins = [ :exception_notification, :ssl_requirement, :all ]

config/routes.rb

@@ -112,6 +112,3 @@ Openfoodnetwork::Application.routes.draw do
   mount Spree::Core::Engine, :at => '/'
 
 end
-
-require Rails.root.join("config/routes/admin.rb")
-require Rails.root.join("config/routes/spree.rb")