admin:cam params: don't mark non-avregd params as "reladed"
galery: TREE_EVENTS LAST_UPDATES => DT1_MIN and DT1_MAX, oldest != oldest_update

ALTER TABLE `TREE_EVENTS` CHANGE `LAST_UPDATE` `DT1_MAX` DATETIME NOT NULL AFTER `CAM_NR`;
ALTER TABLE `TREE_EVENTS` ADD `DT1_MIN` DATETIME NOT NULL AFTER `DT1_MAX`;
ALTER TABLE `TREE_EVENTS` ADD INDEX( `DT1_MAX`);
ALTER TABLE `TREE_EVENTS` ADD INDEX( `DT1_MIN`);

+ fix smart reindex algo