Added changes in migration scripts, new column zugangscode_timestamp

for table tbl_person

application/migrations/014_person.php

@@ -0,0 +1,38 @@
+<?php
+
+if (! defined("BASEPATH")) exit("No direct script access allowed");
+
+require_once APPPATH . "/libraries/MigrationLib.php";
+
+class Migration_Person extends MigrationLib
+{
+	public function __construct()
+	{
+		parent::__construct();
+	}
+	
+    public function up()
+    {
+		$this->startUP();
+
+		// Add zugangscode_timestamp to public.tbl_person
+		$columns = array(
+			"zugangscode_timestamp" => array(
+				"type" => "timestamp",
+				"null" => true
+			)
+		);
+		$this->addColumn("public", "tbl_person", $columns);
+		
+		$this->endUP();
+	}
+
+    public function down()
+    {
+		$this->startDown();
+
+		$this->dropColumn("public", "tbl_person", "zugangscode_timestamp");
+
+		$this->endDown();
+    }
+}