Fixed registered property of Account

Ignore-this: 3c601bc9f8f87872a62276792b90156a

darcs-hash:20100105155425-1e3d8-4541de24208e8e050c465f2874dbceb28d33dee1
Modified Account to re-register when some settings change

Ignore-this: 999da7346c5ab2f34fdc0ea95cee5ede

darcs-hash:20100105164507-1e3d8-61068254ecc3fb7104d9dd5c29b14bc10884a0ea