timeout is now set on the client; fix for websocket builder & simple …

[frankyfish]

Closes #108 What has been done:

• update of HiveMQ client version (required to set socket timeout value in client's builder);
• timeout is now set for HiveMQ client and is used during CONNECT;
• fix for MqttWebSocketConfigBuilder which server path has been set but actually never used;
• fix for Mqtt3SimpleAuthBuilder.Complete which has been updated but never used;