Finished console support.

Finished migrate command.

framework/views/migration.php

@@ -0,0 +1,23 @@
+<?php
+/**
+ * This view is used by console/controllers/MigrateController.php
+ * The following variables are available in this view:
+ *
+ * @var string $className the new migration class name
+ */
+echo "<?php\n";
+?>
+
+class <?php echo $className; ?> extends \yii\db\Migration
+{
+	public function up()
+	{
+
+	}
+
+	public function down()
+	{
+		echo "<?php echo $className; ?> cannot be reverted.\n";
+		return false;
+	}
+}