feature 1289 added: easy "delete orphan tags" function. On the "tags"

administration page, a warning message is displayed if you have at least
one orphan tag + direct action to delete them.


git-svn-id: http://piwigo.org/svn/trunk@8762 68402e56-0260-453c-a942-63ccdbb3a9ee

admin.php

@@ -91,6 +91,7 @@ else
 
 $page['errors'] = array();
 $page['infos']  = array();
+$page['warnings']  = array();
 
 if (isset($_SESSION['page_infos']))
 {
@@ -176,6 +177,11 @@ if (count($page['infos']) != 0)
   $template->assign('infos', $page['infos']);
 }
 
+if (count($page['warnings']) != 0)
+{
+  $template->assign('warnings', $page['warnings']);
+}
+
 // Add the Piwigo Official menu
   $template->assign( 'pwgmenu', pwg_URL() );