Update jquery.remember-state.js

Added multiple form support (each form must have a different id). 2013-01-29. v1.3.1 mh
Added an autoFill option (like automatically clicking the link to restore the stored data). 2013-01-29. v1.3.1 mh
Added an sessionStorage option (setting this to true will use the sessionStorage object instead of localStorage object). 2013-01-30. v1.3.2 mh