Exposed webrtc.js to the user scripts
Started reorg from world object to view driver
Filled out plumbing for RTC objects
Added minimal video feeds
Added state flags. Connection works!
Fixed video size, started on cleanup code
Can now close/reopen video sessions
WebRTC connections share an instance window rather than creating new ones
Added nested video window
Added no-video default avatar
Added 'Call User' button to the users page
Merge branch 'webrtc' into node_threejs