Merged Rails 2.0 compatibility changes.

Compatibility with Rails 1.2 is preserved.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@975 e93f8b46-1217-0410-a6f0-8f06a7374b81

vendor/plugins/acts_as_list/init.rb

@@ -0,0 +1,3 @@
+$:.unshift "#{File.dirname(__FILE__)}/lib"
+require 'active_record/acts/list'
+ActiveRecord::Base.class_eval { include ActiveRecord::Acts::List }