Closes #568, adds copyright information.

app/Models/Tag.php

@@ -1,5 +1,14 @@
 <?php
 
+/*
+ * This file is part of Cachet.
+ *
+ * (c) James Brooks <james@cachethq.io>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
 namespace CachetHQ\Cachet\Models;
 
 use Illuminate\Database\Eloquent\Model;
@@ -23,8 +32,6 @@ class Tag extends Model
 
     /**
      * Overrides the models boot method.
-     *
-     * @return void
      */
     public static function boot()
     {