Revert "Revert "Revert "Merge pull request #527 from fippo/rtcicecandidate""" #555

So many reverts :)

Edge: fix bundle, all: augment RTCIceCandidate constructor

Full details in webrtc/adapter@v3.4.1...v3.4.2

edge and chrome: addTrack shim added, edge: improved negotiateneeded and removed es6 code from safari shim

Full details in webrtc/adapter@v3.4.0...v3.4.1

Lots of Edge fixes, use headless chrome for testing, fix getBrowserVersion and updated eslint

Full details in webrtc/adapter@v3.3.4...v3.4.0

Edge fix: handle addStream after setRemoteDescription

Full details in webrtc/adapter@v3.3.3...v3.3.4.

Edge bugfix release

Full details in v3.3.2...v3.3.3.

Facing mode fix for Chrome and moved Edge peerconnection shim to a separate file

Full details in webrtc/adapter@v3.3.1...v3.3.2

edge: fix bundle regression

Full details in webrtc/adapter@v3.3.0...v3.3.1

onaddstream shim for safari added, various MS edge fixes, partial unified plan for edge added + chrome and firefox shim bug fixes

Full details in webrtc/adapter@v3.2.0...v3.3.0

Edge: Add RTX and fix directionality attributes

Details in webrtc/adapter@v3.1.7...v3.2.0