update_status_aggregator code needs standardising

For Koumbiteers, the error reports can be viewed here:

http://koumbit.org/fr/coder/update_status_aggregator

...and...

http://koumbit.org/fr/coder/update_status_notifier

Non-Koumbiteers would need to install the coder module (http://drupal.org/project/coder) in order to run the tests.