this was working amazingly well. occasionally crashed. but now it crashed and won't start again. the error says "illegal url redirect" and the normal client doesn't let me click anything.
here to have fun. and horde turkey feathers. Jamestown.
Open updater.jnlp in notepad or your favorite text editor (notepad++ etc). Replace all the text with the new xml. Save AS a new file name, like updatermirror.jnlp or something. Double click on your new updatermirror.jnlp and presto.