Fix URL in login page

Author: SamuelTallet

views/login.tpl.php

@@ -7,9 +7,9 @@
 
     <title><?php echo MPG_APP_NAME . ' v' . MPG_APP_VERSION; ?></title>
 
-    <link rel="stylesheet" href="static/css/font-awesome.min.css">
-    <link rel="stylesheet" href="static/css/bootstrap.min.css">
-    <link rel="stylesheet" href="static/css/mpg.login.css">
+    <link rel="stylesheet" href="<?php echo MPG_BASE_URL; ?>/static/css/font-awesome.min.css">
+    <link rel="stylesheet" href="<?php echo MPG_BASE_URL; ?>/static/css/bootstrap.min.css">
+    <link rel="stylesheet" href="<?php echo MPG_BASE_URL; ?>/static/css/mpg.login.css">
 
 </head>