proper prefix in templates: wikiqs -> qswiki

template/quitesimple/allcategories

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