+ * Switch pagetemplate hooks to using named parameters.
+ * Pass a "destpage" parameter to preprocessor and pagetemplate hooks.
+ This will be the page that a source page will be part of, which is
+ different than the source page for inlined pages.
+ * Audited all plugins to endure they pass page, destpage to htmllink
+ appropriatly. This means inlining of various plugins will not work
+ properly, with correct links generated.