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/guilds.create.success.html.twig

@@ -14,9 +14,10 @@
 		<td>
 			<div style="text-align:center">
 				<form action="{{ getLink('guilds') ~ '/' ~ guild_name }}" method="post">
+				{{ csrf() }}
 				{{ include('buttons.submit.html.twig') }}
 				</form>
 			</div>
 		</td>
 	</tr>
-</table>
+</table>