protocol changes
support both variants, js focus still sends "old" protocol
Separates display name and presence status. Triggers separate event for presence status.
Adds a last-n user interface. Some code restructuring related to last-n and stream reception/deletion. Adds a contact list user interface.
Updates fonts.
Merge branch 'master' into jingle-protocol-changes
change in focus protocol, use new proprietary variant
that happens when you forget to npm i precommit-hook
Merge pull request #82 from jitsi/jingle-protocol-changes

protocol changes