Islandora Dev 101 Exercise 1: Sample implementation

gistfile1.php

/**
 * Implements hook_islandora_object_modified().
 */
function islandora_dev101_islandora_object_modified(AbstractObject $islandora_object) {
  drupal_set_message("Owner: " . $islandora_object->owner);
  // Bonus answer.
  // $message = variable_get('islandora_dev101_message', 'This just happened: ');
  // drupal_set_message($message . ': ' . $islandora_object->owner);
}