ISLANDORA-249 getBreadcrumbs didn't properly deal with the case of top level objects.

ObjectHelper.inc

@@ -850,6 +850,10 @@ class ObjectHelper {
     module_load_include('inc', 'fedora_repository', 'api/fedora_utils');
     // Before executing the query, we hve a base case of accessing the top-level collection
     global $base_url;
+    if ($pid == variable_get('fedora_repository_pid', 'islandora:top')){
+        $breadcrumbs[] = l(t('Digital repository'), 'fedora/repository');
+        $breadcrumbs[] = l(t('Home'), $base_url);
+    } else {
       $query_string = 'select $parentObject $title $content from <#ri>
                                where (<info:fedora/' . $pid . '> <dc:title> $title
                                and $parentObject <fedora-model:hasModel> $content
@@ -874,13 +878,12 @@ class ObjectHelper {
         if ($parent == variable_get('fedora_repository_pid', 'islandora:top')) {
           $breadcrumbs[] = l(t('Digital repository'), 'fedora/repository');
           $breadcrumbs[] = l(t('Home'), $base_url);
-        
-        
         } elseif ($level > 0) {
           $this->getBreadcrumbs($parent, $breadcrumbs, $level - 1);
         }
       }
     }
+  }
 
   public static function warnIfMisconfigured($app) {
     $messMap = array(