Don't use the Config facade in the TimezoneLocaleComposer

app/Composers/TimezoneLocaleComposer.php

@@ -13,11 +13,30 @@ namespace CachetHQ\Cachet\Composers;
 
 use DateTime;
 use DateTimeZone;
+use Illuminate\Contracts\Config\Repository;
 use Illuminate\Contracts\View\View;
-use Illuminate\Support\Facades\Config;
 
 class TimezoneLocaleComposer
 {
+    /**
+     * The illuminate config instance.
+     *
+     * @var \Illuminate\Contracts\Config\Repository
+     */
+    protected $config;
+
+    /**
+     * Create a new timezone locale composer.
+     *
+     * @param \Illuminate\Contracts\Config\Repository $config
+     *
+     * @return void
+     */
+    public function __construct(Repository $config)
+    {
+        $this->config = $config;
+    }
+
     /**
      * Timezones and Locales composer.
      *
@@ -27,7 +46,7 @@ class TimezoneLocaleComposer
      */
     public function compose(View $view)
     {
-        $enabledLangs = Config::get('langs');
+        $enabledLangs = $this->config->get('langs');
 
         $langs = array_map(function ($lang) use ($enabledLangs) {
             $locale = basename($lang);