Update: SignalR 2.0.3 Migration; Noticeboards

Migrate all SignalR 1.x Persistent Connections to SignalR 2.x Hubs.
Abstracts ScheduledTaskStatus with core interface and adds a Mock for
optional status reporting. Noticeboards rewritten (with new theme) to be
more resilient and accurate.

Disco.Services/Tasks/IScheduledTaskStatus.cs

@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Disco.Services.Tasks
+{
+    public interface IScheduledTaskStatus
+    {
+        byte Progress { get; }
+        string CurrentProcess { get; }
+        string CurrentDescription { get; }
+
+        bool IgnoreCurrentProcessChanges { get; set; }
+        bool IgnoreCurrentDescription { get; set; }
+        double ProgressMultiplier { get; set; }
+        byte ProgressOffset { get; set; }
+        
+        string FinishedMessage { get; }
+        string FinishedUrl { get; }
+        
+        Exception TaskException { get;  }
+
+        void UpdateStatus(byte Progress);
+        void UpdateStatus(double Progress);
+        void UpdateStatus(string CurrentDescription);
+        void UpdateStatus(byte Progress, string CurrentDescription);
+        void UpdateStatus(double Progress, string CurrentDescription);
+        void UpdateStatus(byte Progress, string CurrentProcess, string CurrentDescription);
+        void UpdateStatus(double Progress, string CurrentProcess, string CurrentDescription);
+
+        void SetFinishedUrl(string FinishedUrl);
+        void SetFinishedMessage(string FinishedMessage);
+        void Finished();
+        void Finished(string FinishedMessage);
+        void Finished(string FinishedMessage, string FinishedUrl);
+
+        void SetTaskException(Exception TaskException);
+    }
+}