message: stop searching for upload service
diff: @@ -86,6 +86,11 @@ jsxc.xmpp.httpUpload.discoverUploadService = function() {
  $(items).find('item').each(function() {
  var jid = $(this).attr('jid');
  + if (self.ready) {
  + // abort, because we already found a service
  + return false;
  + }
  +
  self.queryItemForUploadService(jid);
  });
  });
  