Gitignore updated
Instructor widget added, Nuve token creation removed from the backend
Hangouts XML generator added
Sound level visualization added
Sound level indicator moved to a separate component
Instructor widget slightly refactored
Custom toggle button added initally
Custom toggle button implemented initially
Labelled Toggle button implemented
Broadcast hold/unhold and mute/unmute implemented
Space specific signaling added
Merge branch 'master' of https://github.com/bbfsdev/round_table