Socket.Io client

Added Socket.IO clients script to Este-library.

Method 'request' called whit name (string), message (JSON string) and fnName (callback function with one attribute data).

Emit message to the server with name+'Request' string. Register listener to the response with name+'Response' from the server. 'Request' and 'Response' is configurable.

Response can be captured by event listener or callback function.