Fixes the sources in session-accept jingle packets. Fixes issue with not replacing unmuted SSRCs in the SDP.

Fixes this reference in removeStream method.

add helper to extract stream id from the video element

Fixes crash on "this.rtc" being "undefined" when JitsiLocalTrack.atta…

fix Settings.save to actually save data to localstrage

Fail if user is trying to add second video track to the conference

Allow to select devices on Firefox

Set video src to empty string instead of null on #detach()

fix name of audio device

Setting the `src` of a video element to null triggered a network request for resource "null".

update "is muted" state in presence when adding new track

propagate FOCUS_LEFT conference error

# Conflicts:
#	JitsiConference.js

Partially fix authenticated conference

'this' is the Window, 'self' is the Moderator

Signed-off-by: Etienne CHAMPETIER <champetier.etienne@gmail.com>

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