Fix code style and add some docs to README

README.md

@@ -42,6 +42,9 @@ The `islandora_drupal_filter` passes the username of 'anonymous' through to Fedo
 
 Drupal's cron can be run to remove expired authentication tokens.
 
+**Breadcrumb Generation** on the configuration page, allows you to choose the default breadcrumb generation
+ or a custom method (if implemented). 
+
 ### Customization
 
 [Customize ingest forms](http://github.com/Islandora/islandora/wiki/Multi-paged-Ingest-Forms)

includes/breadcrumb.inc

@@ -47,10 +47,11 @@ function islandora_get_breadcrumbs(AbstractObject $object) {
 /**
  * Call the legacy SPARQL recursive function and return the correct breadcrumbs.
  *
- * @param $pid
+ * @param string $pid
  *   The object id whose parent will be fetched for the next link.
  * @param \IslandoraFedoraRepository $repository
  *   The fedora repository.
+ *
  * @return array
  *   An array of links representing the breadcrumb trail, "root" first.
  */