[Web] Prepare for oauth2

[Web] Some lib updates
[Web] Allow to add a footer

data/web/inc/lib/composer.json

@@ -3,9 +3,10 @@
         "robthree/twofactorauth": "^1.6",
         "yubico/u2flib-server": "^1.0",
         "phpmailer/phpmailer": "^5.2",
-        "php-mime-mail-parser/php-mime-mail-parser": "^5.1",
+        "php-mime-mail-parser/php-mime-mail-parser": "^5.0.5",
         "soundasleep/html2text": "^0.5.0",
         "ddeboer/imap": "^1.5",
-        "matthiasmullie/minify": "^1.3"
+        "matthiasmullie/minify": "^1.3",
+        "bshaffer/oauth2-server-php": "^1.11"
     }
 }