merge r7823 from trunk to branch 2.1

homogenuous popuphelp and search_rules templates with the rest of pages
simplification of CSS rules

git-svn-id: http://piwigo.org/svn/branches/2.1@7824 68402e56-0260-453c-a942-63ccdbb3a9ee

search_rules.php

@@ -44,7 +44,7 @@ include_once( PHPWG_ROOT_PATH.'include/functions_search.inc.php' );
 
 $page['body_id'] = 'thePopuphelpPage';
 $title = l10n('Piwigo Help');
-$page['page_banner'] = '<h1>'.$title.'</h1>';
+$page['page_banner'] = '';
 $page['meta_robots']=array('noindex'=>1, 'nofollow'=>1);
 include(PHPWG_ROOT_PATH.'include/page_header.php');