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.manager.html.twig

@@ -76,6 +76,7 @@ Here you can change names of ranks, delete and add ranks, pass leadership to oth
 							<td width="120" valign="top">New rank name:</td>
 							<td>
 								<form action="?subtopic=guilds&guild={{ guild.getName() }}&action=add_rank" method="post">
+									{{ csrf() }}
 									<input type="text" name="rank_name" size="20"/>
 									<input type="submit" value="Add"/>
 								</form>
@@ -89,6 +90,7 @@ Here you can change names of ranks, delete and add ranks, pass leadership to oth
 </div>
 <div style="text-align:center"><h3>Change rank names and levels</h3></div>
 <form action="?subtopic=guilds&action=save_ranks&guild={{ guild.getName() }}" method="post">
+	{{ csrf() }}
 	<table style="clear:both" border="0" cellpadding="0" cellspacing="0" width="100%">
 		<tr bgcolor="{{ config.vdarkborder }}">
 			<td rowspan="2" width="120" align="center">
@@ -163,6 +165,7 @@ Here you can change names of ranks, delete and add ranks, pass leadership to oth
 <br/>
 <div style="text-align:center">
 	<form action="?subtopic=guilds&action=show&guild={{ guild.getName() }}" method="post">
+		{{ csrf() }}
 		{{ include('buttons.back.html.twig') }}
 	</form>
-</div>
+</div>