=== Configuration changes in 1.18 ===
* The WantedPages::getSQL hook has been removed and replaced with
WantedPages::getQueryInfo. This may break older extensions.
+* The SkinTemplateBuildContentActionUrlsAfterSpecialPage,
+ SkinTemplateContentActions and SkinTemplateTabs hooks have been removed in
+ favor of SkinTemplateNavigation and SkinTemplateNavigation::SpecialPage
* $wgUseCombinedLoginLink controls whether to output a combined
login / create account link in the personal bar, or to output separate login
and create account links.