Cleans the words list.
Adds an interface configuration object.
Merge pull request #135 from fouksf/interface-config

Add an interface configuration object.
Adds check for datachanel state before sending data.
Replaces the roomname generator.
Allows last-n to be set to 0, hiding all remote videos.
Fixes SIP call icon is appearing shortly on meet before conference starts even if we don't have Jigasi configured.