Merge some work by Jens-Andre Koch

Only his changes to the core are presented here.
Unfortunately, the skin itself looks ugly on Opera,
and simply doesn't work on Firefox...

Merge branch 'master' into znc-ation

Conflicts:
	modules/data/lastseen/tmpl/lastseen_WebadminUser.tmpl
	modules/data/webadmin/tmpl/settings.tmpl

modules/data/certauth/tmpl/index.tmpl

@@ -25,7 +25,7 @@
 <table class="data">
 	<thead>
 		<tr>
-			<td style="width: 10px;"></td>
+			<td></td>
 			<td>Key</td>
 		</tr>
 	</thead>