User 2.4.3

	* Fixed Feature #196 - User Profile Avatar - Config Option
	* Fixed Bug #246 - Authenticated Display Name is Pointless
	* Fixed Feature #197 - User Profile userconfig Sorting
	* Moved the user login javascript into its own file.
	* Moved the facebook logic out from the user system and into the facebook component.
	* 403 errors now display both login and register forms.
	* New userconfig option - required.
	* Tweaked the registration logic a little.
	--Charlie Powell <charlie@eval.bz>  Fri, 22 Feb 2013 15:20:56 -0500