Messages displayed on the top of pages are now dismissable.

tpl/studs.tpl

@@ -3,7 +3,7 @@
 {block name=main}
 
     {if !empty($message)}
-        <div class="alert alert-{$message->type}" role="alert">{$message->message}</div>
+        <div class="alert alert-dismissible alert-{$message->type}" role="alert">{$message->message}<button type="button" class="close" data-dismiss="alert" aria-label="Close"><span aria-hidden="true">&times;</span></button></div>
     {/if}
 
 {* Global informations about the current poll *}