File upload progress seems to have problems on a variety of servers, marking as experimental for now and not including it in the docs

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1570 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

@@ -6,7 +6,7 @@
 
 * Routes fail with leading slash #1540 [Nicholas Seckar]
 
-* Added support for upload progress indicators in Apache and lighttpd 1.4.x (won't work in WEBrick or lighttpd 1.3.x) #1475 [Sean Treadway]
+* EXPERIMENTAL (problems on various different server setups): Added support for upload progress indicators in Apache and lighttpd 1.4.x (won't work in WEBrick or lighttpd 1.3.x) #1475 [Sean Treadway]
   See http://sean.treadway.info/files/howto-upload-progress-2.mov for example.
 
 * Added support for graceful error handling of Ajax calls #1217 [Jamis Buck/Thomas Fuchs]. Example:

actionpack/lib/action_controller/upload_progress.rb

@@ -126,15 +126,14 @@ module ActionController #:nodoc:
   #   end
   #
   #
-  module UploadProgress
-
+  module UploadProgress #:nodoc:
     def self.append_features(base) #:nodoc:
       super
       base.extend(ClassMethods)
       base.helper_method :upload_progress, :next_upload_id, :last_upload_id, :current_upload_id
     end
 
-    module ClassMethods
+    module ClassMethods #:nodoc:
       # Creates an +after_filter+ which will call +finish_upload_status+
       # creating the document that will be loaded into the hidden IFRAME, terminating
       # the status polling forms created with +form_with_upload_progress+.

actionpack/lib/action_view/helpers/upload_progress_helper.rb

@@ -51,7 +51,7 @@ module Helpers
     #
     # Default styling is included with the scaffolding CSS.
     #
-    module UploadProgressHelper 
+    module UploadProgressHelper #:nodoc:
       unless const_defined? :FREQUENCY
         # Default number of seconds between client updates
         FREQUENCY = 2.0