message: more restrictive xml body query
diff: @@ -869,8 +869,8 @@ jsxc.xmpp = {
  jsxc.debug('Incoming message', message);
  }
  - var body = $(message).find('body:first').text();
  - var htmlBody = $(message).find('body[xmlns="' + Strophe.NS.XHTML + '"]');
  + var htmlBody = $(message).find('body[xmlns="' + Strophe.NS.XHTML + '"]').first();
  + var body = $(message).find('>body').first().text() || htmlBody.text();
  if (!body || (body.match(/\?OTR/i) && forwarded)) {
  return true;
  