Closes #568, adds copyright information.

app/Providers/ConfigServiceProvider.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\Providers;
 
 use Illuminate\Support\ServiceProvider;
@@ -12,8 +21,6 @@ class ConfigServiceProvider extends ServiceProvider
      * This service provider is intended to provide a convenient location for you
      * to overwrite any "vendor" or package configuration that you may want to
      * modify before the application handles the incoming request / command.
-     *
-     * @return void
      */
     public function register()
     {