message: fix factory methods
diff: @@ -10,7 +10,6 @@ const ActiveSpeakerDetector = require("./ActiveSpeakerDetector");
  const Refresher = require("./Refresher");
  const EmulatedTransport = require("./EmulatedTransport");
  const IncomingStreamTrackSimulcastAdapter = require("./IncomingStreamTrackSimulcastAdapter");
  -const uuidV4 = require('uuid/v4');
  //INitialize DTLS
  Native.MediaServer.Initialize();
  @@ -221,10 +220,10 @@ MediaServer.createEmulatedTransport = function(pcap)
  return endpoint;
  };
  -MediaServer.createIncomingStreamTrackSimulcastAdapter = function(mediaId)
  +MediaServer.createIncomingStreamTrackSimulcastAdapter = function(trackId, mediaId)
  {
  //Create it
  - return new IncomingStreamTrackSimulcastAdapter(uuidV4(), mediaId);
  + return new IncomingStreamTrackSimulcastAdapter(trackId, mediaId);
  }
  MediaServer.createIncomingStreamSimulcastAdapter = function(streamId, trackId, mediaId)
  @@ -232,7 +231,7 @@ MediaServer.createIncomingStreamSimulcastAdapter = function(streamId, trackId, m
  //Create transport-less stream
  const incomingStream = new IncomingStream(null,null,{id: streamId,tracks:[]});
  //Create track
  - const incomingStreamTrack = new IncomingStreamTrackSimulcastAdapter(uuidV4(), mediaId);
  + const incomingStreamTrack = new IncomingStreamTrackSimulcastAdapter(trackId, mediaId);
  //Add track to stream
  incomingStream.addTrack(incomingStreamTrack);
  //Done
  