New: history logs high quality access via action.php. A new column

#history.is_high was added. Filter was added on administration history
detail view.

Modification: function get_sql_condition_FandF was slightly refactored for
presentation improvement.


git-svn-id: http://piwigo.org/svn/trunk@1817 68402e56-0260-453c-a942-63ccdbb3a9ee

install/phpwebgallery_structure.sql

@@ -126,6 +126,7 @@ CREATE TABLE `phpwebgallery_history` (
   `tag_ids` varchar(50) default NULL,
   `image_id` mediumint(8) default NULL,
   `summarized` enum('true','false') default 'false',
+  `is_high` enum('true','false') default NULL,
   PRIMARY KEY  (`id`),
   KEY `history_i1` (`summarized`)
 ) TYPE=MyISAM;