Bugs Fixed

• SB scale-out still re-try forever for un-recoverable error ConfigurationErrorsException (#2948)
• Service Bus scaleout null refs (#2937)
• SB scale-out with multiple streams Send failed "Object reference not set to an instance of an object" (#2933)
• Optimize RedisMessageBus to increase messages throughput (#2905)
• Race condition when connection stopped and heartbeat running (#2897)
• SignalR 2.0.3 package dependency Microsoft.Owin etc version (#2890)
• JS client foreverFrame doesn't fallback to longPolling but stop when start connection the first time passed 'reconnectWindow' period (#2883)
• .Net Client connection LastActiveAt not re-set when start HeartbeatMonitor (#2878)
• JS client script error: "Unable to get property 'pingInterval' of undefined or null reference" (#2865)
• Potential bug setting HubConnection proxy (#2856)
• JS client connection.transportConnectTimeout will increase value every time connection is started (#2823)
• SignalR + ServiceBus calls to clients hitting Microsoft.ServiceBus.Messaging.ServerBusyException (#2803)
• Connection "freezes" when an exception is thrown from delayed expression returned from Hub method (#2800)
• Strings containing dates are malformed when sending from .Net client to Hub (#2796)
• WebSocket end of message bit is always on it's own continuation frame (#2777)
• SignalR - Large Messages are not being passed from the client to server (#2774)
• SignalR SB scale-out, the first connection returns error "The stream is not open..." (#2767)
• Context.User is Null on [Authorized] SignalRHub Task OnDisconnected (#2753)