- sender.setTrack() updated to return a Promise, as noted in:

#148

- Clarified handling of incoming connectivity checks prior to calling iceTransport.start(), as noted in:
#170

- Clarified handling of incoming DTLS packets, as noted in:
#173

- Added RTCIceGatherer as an optional argument to the RTCIceTransport constructor, as noted in:
#174

- Clarified handling of contradictory RTP/RTCP multiplexing settings, as noted in:
#185

- Clarified error handling relating to RTCIceTransport, RTCDtlsTransport and RTCIceGatherer objects in the "closed" state, as noted in:
#186

- Added component method and createAssociatedGatherer() method to the RTCIceGatherer object, as noted in:
#188

- Added close() method to the RTCIceGatherer object as noted in:
#189

- Clarified behavior of TCP candidate types, as noted in:
#190

- Clarified behavior of iceGatherer.onlocalcandidate, as noted in:
#191

- Updated terminology in Section 1.1 as noted in:
#193

- Updated RTCDtlsTransportState definitions, as noted in:
#194

- Updated RTCIceTransportState definitions, as noted in:
#197