CSRF Protection (#235)

* Fix alert class name

* feature: csrf protection

* Cosmetics

* Fix token generate

* Admin Panel: changelogs csrf protection

* news/id route

* Refactor admin newses + add csrf

* Use admin.links instead

* Admin panel: Pages csrf

* Menus: better csrf + add success message on reset colors

* Plugins csrf

* Move definitions

* add info function, same as note($message)

* Update mailer.php

* Fix new page/news links

* clear_cache & maintenance csrf

* Formatting

* Fix news type

* Fix changelog link

* Add new changelog link

* More info to confirm dialog

* This is always true

system/templates/admin.settings.html.twig

@@ -74,6 +74,12 @@
 <link rel="stylesheet" type="text/css" href="{{ constant('BASE_URL') }}tools/css/toastify.min.css">
 <script type="text/javascript" src="{{ constant('BASE_URL') }}tools/js/toastify.min.js"></script>
 <script>
+	$.ajaxSetup({
+		headers: {
+			'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
+		}
+	});
+
 	$('#settings').submit(function(e) {
 		e.preventDefault();