Adds improperly removed JitsiConference listeners after PR#166

Uses the empty element with namespace for initial presence.

Fixes a problem where, sending that namespace on every presence will make the server think we are joining every time and will return us the message history for the muc.

Implements reload functionality for JitsiConnection and JitsiConference

Adds additional that are going to be visible in torture for the audio problem detection

Kick fix

False callstats failures

If in the presence there is 110 and 307 status codes there was an error in processing. When kicked the other participants were not cleared from the conference. Firing an event for focus leaving the conference when we are kicked.

Add RETRYING Jibri status

Jwt login service 2

Append random hex string to MUC nickname with XMPP login

Adds more logs and clean up.

output was produced. The pipe to exorcist hides failures
from the browserify itself.

Fire CONFERENCE_LEFT event after conference is left

Fix JitsiLocalTrack dispose() method

Handle case when JitsiLocalTrack#dispose() is called after track was removed from conference.
Set track's conference reference to null when removing track from conference.

Implements audio problems detection

Expose JitsiTrackError through JitsiMeetJS.errorTypes.JitsiTrackError

Removes getVideoId and getVideoSrc as no longer used by tests.

Be forgiving towards API clients