Add config.ru to rails app generator

railties/config.ru

@@ -0,0 +1,3 @@
+require File.dirname(__FILE__) + '/config/environment'
+use Rails::Rack::Static
+run ActionController::Dispatcher.new

railties/lib/rails_generator/generators/applications/app/app_generator.rb

@@ -46,6 +46,7 @@ class AppGenerator < Rails::Generator::Base
       # Root
       m.file "fresh_rakefile", "Rakefile"
       m.file "README",         "README"
+      m.file "config.ru",      "config.ru"
 
       # Application
       m.template "helpers/application.rb",        "app/controllers/application.rb", :assigns => { :app_name => @app_name, :app_secret => md5.hexdigest }