Netflix/RxNetty — pull request #196 by tbak (2014-07-31 17:04:55+00:00)
Title: WebSockets - implementation proposal for issue #125

This implementation is based solely on existing Netty's WebSockets implementation.

Client example:
```java
WebSocketClient rxClient = RxNetty.newWebSocketClientBuilder("localhost", port)
.withWebSocketURI("/websocket")
.withWebSocketVersion(WebSocketVersion.V13)
.build();

rxClient.connect().flatMap(
new Func1, Observable>() {
....
});
```

Server example:
```java
RxServer server = RxNetty.
newWebSocketServerBuilder(port, new ConnectionHandler() {
@Override
public Observable handle(
final ObservableConnection newConnection) {
....
})
}).build().start();
```