Refactor migrations with $up & $down

system/migrations/17-menu.sql

@@ -0,0 +1,11 @@
+CREATE TABLE `myaac_menu`
+(
+	`id` INT(11) NOT NULL AUTO_INCREMENT,
+	`template` VARCHAR(255) NOT NULL,
+	`name` VARCHAR(255) NOT NULL,
+	`link` VARCHAR(255) NOT NULL,
+	`category` INT(11) NOT NULL DEFAULT 1,
+	`ordering` INT(11) NOT NULL DEFAULT 0,
+	`enabled` INT(1) NOT NULL DEFAULT 1,
+	PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARACTER SET=utf8;