First WAMP support for WebSocket server.
Adds subscription for peers list.
Fixes a performance issue with PeerController.
Adds preliminary support for multiple conversations.
Sending messages to multiple contacts works.
Fixes some little bugs in empathy.
Adds full support for multiple users message conversations.
Adds support for multi-user file sharing.
Adds support for multi-user chat states.
Adds video calls for multiple users support. See #424.
Removes some console.log().
Merge pull request #426 from symbiose/feat-wamp

Feat wamp