'SkinTemplateToolboxEnd': Called by SkinTemplate skins after toolbox links have
been rendered (useful for adding more)
$sk: The QuickTemplate based skin template running the hook.
+$dummy: Called when SkinTemplateToolboxEnd is used from a BaseTemplate skin,
+ extensions that add support for BaseTemplateToolbox should watch for this dummy
+ parameter with "$dummy=false" in their code and return without echoing any html
+ to avoid creating duplicate toolbox items.
'SoftwareInfo': Called by Special:Version for returning information about
the software