adapt migrations files to flex

migrations/Version20150224164531.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Application\Migrations;
+
+use Doctrine\DBAL\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+
+/**
+ * Add an option column to customfieldsgroup
+ */
+class Version20150224164531 extends AbstractMigration
+{
+    public function up(Schema $schema)
+    {
+        $this->addSql('ALTER TABLE customfieldsgroup ADD options JSON DEFAULT \'{}\'::json');
+    }
+
+    public function down(Schema $schema)
+    {
+        $this->addSql('ALTER TABLE CustomFieldsGroup DROP options');
+    }
+}