Apply fixes from StyleCI

Author: Malik Umer Farooq

Config/Config.php

@@ -129,27 +129,27 @@ class Config
      */
     const ROUTE_CACHE_REGENERATE = 3600;
     /**
-     * SMPT Host
+     * SMPT Host.
      *
      * @var string
      */
-    const SMPT_HOST = "your-smtp-host";
+    const SMPT_HOST = 'your-smtp-host';
     /**
-     * SMPT User
+     * SMPT User.
      *
      * @var string
-     */    
-    const SMPT_USER = "your-smtp-user";
+     */
+    const SMPT_USER = 'your-smtp-user';
     /**
-     * SMPT Pass
+     * SMPT Pass.
      *
      * @var string
-     */    
-    const SMPT_PASS = "your-smtp-pass";
+     */
+    const SMPT_PASS = 'your-smtp-pass';
     /**
-     * SMPT Port
+     * SMPT Port.
      *
      * @var int
-     */    
+     */
     const SMPT_PORT = 111;
 }