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/account.create.html.twig

@@ -1,5 +1,6 @@
 {{ hook('HOOK_ACCOUNT_CREATE_BEFORE_FORM') }}
 <form action="{{ getLink('account/create') }}" method="post" id="createaccount">
+	{{ csrf() }}
 	<div class="TableContainer" >
 		<table class="Table5" cellpadding="0" cellspacing="0" >
 			<div class="CaptionContainer" >