message: add noopener/noreferrer to blank links
diff: @@ -1432,6 +1432,7 @@ jsxc.gui = {
  $(this).addClass('jsxc_location');
  $(this).attr('title', matches[0]);
  $(this).attr('href', osmUrl);
  + $(this).attr('rel', 'noopener noreferrer');
  $(this).attr('target', '_blank');
  $(this).text(label);
  });
  @@ -2708,7 +2709,7 @@ jsxc.gui.window = {
  var href = (url.match(/^https?:\/\//i)) ? url : 'http://' + url;
  // @TODO use jquery element builder
  - return '<a href="' + href + '" target="_blank">' + url + '</a>';
  + return '<a href="' + href + '" rel="noopener noreferrer" target="_blank">' + url + '</a>';
  });
  msg = msg.replace(new RegExp('(xmpp:)?(' + jsxc.CONST.REGEX.JID.source + ')(\\?[^\\s]+\\b)?', 'i'), function(match, protocol, jid, action) {
  @@ -2728,6 +2729,7 @@ jsxc.gui.window = {
  msg = msg.replace(jsxc.CONST.REGEX.GEOURI, function(uri) {
  var a = $('<a>');
  a.attr('href', uri);
  + a.attr('rel', 'noopener noreferrer');
  a.attr('target', '_blank');
  a.text(uri);
  