minor #510 Add missing licence (apetitpa)

This PR was merged into the master branch.

Discussion
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Add missing licence

I noticed there was no license header in three entity classes

Commits
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7fcf1ad Add missing licence

Author: javiereguiluz

src/AppBundle/Entity/Post.php

@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace AppBundle\Entity;
 
 use Doctrine\Common\Collections\ArrayCollection;

src/AppBundle/Entity/Tag.php

@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace AppBundle\Entity;
 
 use Doctrine\ORM\Mapping as ORM;

src/AppBundle/Entity/User.php

@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace AppBundle\Entity;
 
 use Doctrine\ORM\Mapping as ORM;