ISLANDORA-171 Add permissoin check for book add pages tab.

ilives/book.inc

@@ -179,12 +179,14 @@ class IslandoraBook {
       // This will be the content of the tab.
       '#content' => fedora_ilives_create_book_view($this->pid),
     );
-
-    $tabset['add_pages'] = array(
-      '#type' => 'tabpage',
-      '#title' => t('Add pages'),
-      '#content' => drupal_get_form('book_add_pages_form', $this->pid),
-    );
+    
+    if (user_access('ingest new fedora objects')) { 
+      $tabset['add_pages'] = array(
+        '#type' => 'tabpage',
+        '#title' => t('Add pages'),
+        '#content' => drupal_get_form('book_add_pages_form', $this->pid),
+      );
+    }
     return $tabset;
   }
 }