-fix callterminated trigger
- add callringer trigger
- remove try-catch block and add error callback on setRemoteDescription
- add isInitiator variable to session
- add new parameter to getUserMediaWithConstraints to select devices
- Add text element to session-terminate
- Add possibility to terminate not active calls
- Add list of events
- make event names in line with jquery guidline
fetch from upstream
update event names in example, too