Upgrade to Rails 2.2.0

As a side benefit, fix an (non-user-visible) bug in display_s5().
Also fixed a bug where removing orphaned pages did not expire cached summary pages.

vendor/rails/actionpack/lib/action_controller/session/cookie_store.rb

@@ -70,7 +70,8 @@ class CGI::Session::CookieStore
       'path'    => options['session_path'],
       'domain'  => options['session_domain'],
       'expires' => options['session_expires'],
-      'secure'  => options['session_secure']
+      'secure'  => options['session_secure'],
+      'http_only' => options['session_http_only']
     }
 
     # Set no_hidden and no_cookies since the session id is unused and we
@@ -129,7 +130,7 @@ class CGI::Session::CookieStore
   private
     # Marshal a session hash into safe cookie data. Include an integrity hash.
     def marshal(session)
-      data = ActiveSupport::Base64.encode64(Marshal.dump(session)).chop
+      data = ActiveSupport::Base64.encode64s(Marshal.dump(session))
       "#{data}--#{generate_digest(data)}"
     end
 

vendor/rails/actionpack/lib/action_controller/session/drb_server.rb

@@ -1,8 +1,8 @@
-#!/usr/local/bin/ruby -w
-                                                                                
-# This is a really simple session storage daemon, basically just a hash, 
+#!/usr/bin/env ruby
+
+# This is a really simple session storage daemon, basically just a hash,
 # which is enabled for DRb access.
-                                                                                
+
 require 'drb'
 
 session_hash = Hash.new
@@ -14,13 +14,13 @@ class <<session_hash
       super(key, value)
     end
   end
-  
+
   def [](key)
     @mutex.synchronize do
       super(key)
     end
   end
-  
+
   def delete(key)
     @mutex.synchronize do
       super(key)
@@ -29,4 +29,4 @@ class <<session_hash
 end
 
 DRb.start_service('druby://127.0.0.1:9192', session_hash)
-DRb.thread.join
+DRb.thread.join