Allow react.js and jsxtransformer.js to be overriden by user

Author: jtmalinowski

lib/react/rails/railtie.rb

@@ -5,7 +5,9 @@ module Rails
     class Railtie < ::Rails::Railtie
       config.react = ActiveSupport::OrderedOptions.new
 
-      initializer "react_rails.setup_vendor", :after => "sprockets.environment" do |app|
+      # run after all initializers to allow sprockets to pick up react.js and
+      # jsxtransformer.js from end-user to override ours if needed
+      config.after_initialize do |app|
         variant = app.config.react.variant
 
         # Mimic behavior of ember-rails...