More comments, fix typos and indentation.
Display SDP from video bridge in debug mode only.
Renamed createContainer to createAVElement.
Renamed createVideoRemoteContainer/createAudioRemoteContainer to createVideoRemoteElement/createAudioRemoteElement.
Renamed createLocalContainer to createAudioLocalElement.
Add a local video element
Log different message depending on the broswer
Now we have Firefox working in audio.

Disabled ICE candidates gathering from STUN, local candidates only.
New version of the JavaScript API, with Firefox (audio) and Video for
Chrome.