message: Fix slideshow mode in basic example.
diff: @@ -37,13 +37,12 @@ function toggleSlideShowMode() { // jshint ignore:line
  console.log('SlideShowMode changed', evt);
  };
  slideShowMode = !slideShowMode;
  - for (var index in streams) {
  - var stream = streams[index];
  + streams.forEach(function (stream) {
  if (localStream.getID() !== stream.getID()) {
  console.log('Updating config');
  stream.updateConfiguration({slideShowMode: slideShowMode}, cb);
  }
  - }
  + });
  }
  window.onload = function () {
  