Manager(url:String, opts:Object)
A Manager represents a connection to a given Socket.IO server. One or more Socket instances are associated with the manager. The manager can be accessed through the io property of each Socket instance.
The opts are also passed to engine.io upon initialization of the underlying Socket.
Options: – reconnection whether to reconnect automatically (true) – reconnectionDelay how long to wait before attempting a new reconnection (1000) – reconnectionDelayMax maximum am