use a post request to avoid long urls dying with a 414 error
When showing the warnings div, use slideDown()
space after header
Better logging of objects
Offer AFCH.consts.mockItUp for mocking requests, useful for development
Various fixes: return AFCH.Page, improve edit summary, return empty arrays for empty multiple selects
Add dynamic category addition with parsing and suggestions

Add parseCategories to core; new dependency on mediawiki.api.category
for dynamic category suggestions. We’re still using jquery.chosen for
the category menu, but offering dynamic suggestions required some
sneakish behavior, which I’ve added more notes about inline.