* Made autoloader work for unserialize()
* Made XmlFunctions.php and HttpFunctions.php autoloadable modules, via Http:: and Xml::
* Made Image class autoloadable, global functions moved to ImageFunctions.php where they can be loaded on every invocation.
* Removed some unnecessary require_once() calls
* Deferred $wgValidSkinNames initialisation
* Fixed a couple of silly construct/initialise splits. My idea from C++ experience, bad practice in PHP.
* Deferred skin initialisation in ParserOptions
* Removed $wgMwRedir during an attempt to make MagicWord autoloadable. Didn't complete that, but removing the global is still the right direction.
options. Not yet ready for production use; Special:Revisiondelete is
incomplete, and the flags are not preserved across page deletion/undeletion.
To try it; add the 'deleterevision' permission to a privileged group.
Also split some functions from GlobalFunctions to XmlFunctions.php, added
some convenience functions for building form controls, some more Linker
conveniences for formatting various types of standard link clusters.
