licence creation date added

sails/roles/database/files/pictodb-schema.sql

@@ -306,7 +306,8 @@ CREATE TABLE IF NOT EXISTS `license` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
   `id_stu` int(11) DEFAULT NULL,
   `number` varchar(16) CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
-  `activation_ts` timestamp(3) NULL,
+  `creation_ts` datetime DEFAULT CURRENT_TIMESTAMP,
+  `activation_ts` datetime NULL,
   `duration` int(11) DEFAULT 0,
   PRIMARY KEY (`id`),
   UNIQUE KEY `number` (`number`),