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/forum.move_thread.html.twig

@@ -25,6 +25,7 @@
 							<input type="submit" value="Move Thread">
 						</form>
 						<form action="{{ section_link }}" method="post">
+							{{ csrf() }}
 							<input type="submit" value="Cancel">
 						</form>
 					</td>
@@ -32,4 +33,4 @@
 			</table>
 		</td>
 	</tr>
-</table>
+</table>