Fix load order issue for AR extension using Railite

lib/validates_timeliness.rb

@@ -58,6 +58,10 @@ module ValidatesTimeliness
   # Setup method for plugin configuration
   def self.setup
     yield self
+    load_orms
+  end
+
+  def self.load_orms
     extend_orms.each {|orm| require "validates_timeliness/orm/#{orm}" }
   end
 end

lib/validates_timeliness/railtie.rb

@@ -3,7 +3,8 @@ module ValidatesTimeliness
     initializer "validates_timeliness.initialize_active_record", :after => 'active_record.initialize_timezone' do
       ActiveSupport.on_load(:active_record) do
         ValidatesTimeliness.default_timezone = ActiveRecord::Base.default_timezone
-        ValidatesTimeliness.extend_orms = [ :active_record ]
+        ValidatesTimeliness.extend_orms << :active_record
+        ValidatesTimeliness.load_orms
       end
     end