Add Rack version to Rails info

actionpack/lib/action_controller/vendor/rack-1.0/rack.rb

@@ -3,7 +3,7 @@
 # Rack is freely distributable under the terms of an MIT-style license.
 # See COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-$:.unshift(File.expand_path(File.dirname(__FILE__)))
+$: << File.expand_path(File.dirname(__FILE__))
 
 
 # The Rack main module, serving as a namespace for all core Rack
@@ -23,7 +23,7 @@ module Rack
 
   # Return the Rack release as a dotted string.
   def self.release
-    "0.4"
+    "1.0 bundled"
   end
 
   autoload :Builder, "rack/builder"

railties/builtin/rails_info/rails/info.rb

@@ -85,6 +85,10 @@ module Rails
       Gem::RubyGemsVersion
     end
 
+    property 'Rack version' do
+      ::Rack.release
+    end
+
     # The Rails version.
     property 'Rails version' do
       Rails::VERSION::STRING