* (bug 8333) Fix quick user data update on login password change on

* (bug 8333) Fix quick user data update on login password change on
  replication database setups. User data is now pulled from master
  instead of slave in User::loadFromDatabase, ensuring that it is
  fresh and accurate when read and then saved back into cache.
  This was breaking with the Special:Rename operation which
  automatically logs the user in with the new password after changing
  it; pulling from slave meant the record was often not the updated
  one.