remove disc-Timer on disconnect and close Socket
don't try to reuse old open WebSockets any more
extracted Websocket close to own method
Don't call _onDisconnect on socket-close any more
Moved DisconnectTimer-cancelling to _onDisconnect
Merge branch 'websocket' into disconnect-fix

Conflicts:
	src/websocket.js
do CONNFAIL and disconnect on no_auth in websocket