Fix admin form and coding standards.

includes/admin.form.inc

@@ -103,7 +103,7 @@ function islandora_repository_admin(array $form, array &$form_state) {
           '#description' => t('Larger sites may experience a notable performance improvement when disabled due to how breadcrumbs are constructed.'),
           '#default_value' => variable_get('islandora_render_drupal_breadcrumbs', TRUE),
         ),
-        'islandora_breadcrumbs_backend' => array(
+        'islandora_breadcrumbs_backends' => array(
           '#type' => 'radios',
           '#title' => t('Breadcrumb generation'),
           '#description' => t('How breadcrumbs for Islandora objects are generated for display.'),
@@ -111,7 +111,7 @@ function islandora_repository_admin(array $form, array &$form_state) {
           '#options' => array_map($map_to_title, $breadcrumb_backend_options),
           '#states' => array(
             'visible' => array(
-              'islandora_render_drupal_breadcrumbs' => array('checked' => TRUE),
+              ':input[name="islandora_render_drupal_breadcrumbs"]' => array('checked' => TRUE),
             ),
           ),
         ),

includes/breadcrumb.inc

@@ -24,8 +24,7 @@
  *   not including the given object. For use in the function
  *   drupal_set_breadcrumb().
  */
-function islandora_get_breadcrumbs($object) {
-
+function islandora_get_breadcrumbs(AbstractObject $object) {
   if (variable_get('islandora_render_drupal_breadcrumbs', TRUE)) {
     $backend = variable_get('islandora_breadcrumbs_backends', ISLANDORA_BREADCRUMB_LEGACY_BACKEND);
     $backends = module_invoke_all('islandora_breadcrumbs_backends');
@@ -38,7 +37,6 @@ function islandora_get_breadcrumbs($object) {
       }
       $breadcrumbs = call_user_func($backends[$backend]['callable'], $object);
     }
-    
     array_pop($breadcrumbs);
     $context = 'islandora';
     drupal_alter('islandora_breadcrumbs', $breadcrumbs, $context, $object);