Extract HANSARDLIST class to use autoloading

* Reintegrates the new Hansard class with HansardList
* Moves around definitions in hansardlist.php to solve ordering issue
Extract DEBATELIST to use autoloading
Extract WRANSLIST to use autoloading
Extract WMSLIST to use autoloading
Extract SPWRANSLIST to use autoloading
Extract WHALLLIST to use autoloading
Extract NILIST to use autoloading
Extract SPLIST to use autoloading
Extract LORDSDEBATELIST to use autoloading
Extract StandingCommittee to use autoloading
Move hansardlist.php loading to init.php

The functionality at the top of `hansardlist.php` is run every page load
anyway, move it to `init.php` and the appropriate space in the Guardian
widget.

Duplicate functionality may need to be refactored out later, but isn't
in scope for this set of changes.
Move searchengine.php loading to init.php

The functionality at the top of `searchengine.php` is run every page load
anyway, move it to `init.php` and the appropriate space in the Guardian
widget.

Duplicate functionality may need to be refactored out later, but isn't
in scope for this set of changes.
Move PEOPLE class to use autoloading
Move GLOSSARYLIST class to use autoloading

GLOSSARYLIST is apparently never used. Consider for removal.
Move Wikipedia functions to autoloadable utility class
Move GLOSSEDITQUEUE to use autoloading
Move EDITQUEUE to use autoloading
Move GLOSSARY class to use autoloading
Move PAGE class to use autoloading
Move COMMENTREPORTLIST class to use autoloading