A base EventConnection class for events over sockjs.
Untested porting of contents of conn.py to sockjs and our EventConnection class.
Untested porting of redisconn.py to our sockjs EventConnection.
Working SimpleSignalConnection, with new management command, template tags for javascript, etc.
Fixed mistake in settings that caused the object hook to be called as the encoder
Bring readme and setup.py up to date for sockjs branch.
Added ability to reconnect signal sockets.