proper prefix in templates: wikiqs -> qswiki

template/quitesimple/error

@@ -1,6 +1,6 @@
-{wikiqs:include:general_header}
+{qswiki:include:general_header}
 <div id="content" style="margin-top: 10px;">
-<h2>{wikiqs:var:errortitle}</h2><br>
-{wikiqs:var:errormessage}
+<h2>{qswiki:var:errortitle}</h2><br>
+{qswiki:var:errormessage}
 </div>
-{wikiqs:include:general_footer}
+{qswiki:include:general_footer}