Merge pull request #45 from shashankdass/master_lazy-load-activerecordbase-includes

Defer the inclusion until after ActiveRecord has been fully loaded, improving booting performance and following Rails best practices

Author: grosser

lib/ar_after_transaction.rb

@@ -83,6 +83,8 @@ def delete_after_transaction_callbacks
   end
 end
 
-ActiveRecord::Base.extend ARAfterTransaction::ClassMethods
-ActiveRecord::Base.include ARAfterTransaction::InstanceMethods
+ActiveSupport.on_load(:active_record) do
+  ActiveRecord::Base.extend ARAfterTransaction::ClassMethods
+  ActiveRecord::Base.include ARAfterTransaction::InstanceMethods
+end
 ActiveRecord::ConnectionAdapters::AbstractAdapter.include ARAfterTransactionConnection