Add setMuteState to webrtc object.
Add buttons for audio mute/unmute and improve general style handling of the call control buttons
Add functionality for the audio mute toggle button
Fix whitespace
deleted obsolete resource
Don't download the firefox nightly again unless we really need to
Merge pull request #166 from Standard8/linux_download_once

Don't download the firefox nightly again when the file is already present
Stop the outgoing sound when a call is established
Fix review comments - tidy html
Merge pull request #168 from Standard8/fix_outgoing

Stop the outgoing sound when a call is established
Merge pull request #165 from Standard8/audio_mute

Add an audio mute button
sync with master