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/characters.html.twig

@@ -106,6 +106,7 @@
 							<td>{{ house.name ~ house.town ~ house.add }}</td>
 							<td>
 								<form action="?subtopic=houses&page=view" method="post">
+									{{ csrf() }}
 									<input type="hidden" name="house" value="{{ house.name }}">
 									<input type="image" name="View" alt="View" src="{{ template_path }}/images/global/buttons/sbutton_view.gif" border="0" width="120">
 								</form>
@@ -402,7 +403,8 @@
 				<td>{% if player.isOnline() %}<b><span style="color: green">Online</span></b>{% endif %}</td>
 				<td>
 					<table border="0" cellspacing="0" cellpadding="0">
-						<form action="{{ getLink('characters') }}" method=post>
+						<form action="{{ getLink('characters') }}" method="post">
+							{{ csrf() }}
 							<tr>
 								<td>
 									<input type="hidden" name="name" value="{{ player.getName() }}"/>