Refactoring

Added almost of the hits. Options modified but must be reviewed completely.

MQTTnet.Core/Client/MqttClientManagedOptions.cs

@@ -0,0 +1,12 @@
+
+using System;
+
+namespace MQTTnet.Core.Client
+{
+    public class MqttClientManagedOptions: MqttClientTcpOptions
+    {
+        public bool UseAutoReconnect { get; set; }
+        public TimeSpan AutoReconnectDelay { get; set; }
+        public IMqttClientQueuedStorage Storage { get; set; }
+    }
+}