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.Web/App_Start/OwinStartupConfig.cs

@@ -0,0 +1,21 @@
+using Microsoft.AspNet.SignalR;
+using Microsoft.Owin;
+using Owin;
+
+[assembly: OwinStartup(typeof(Disco.Web.OwinStartupConfig))]
+
+namespace Disco.Web
+{
+    public class OwinStartupConfig
+    {
+        public void Configuration(IAppBuilder app)
+        {
+            var hubConfig = new HubConfiguration()
+            {
+                EnableJavaScriptProxies = false
+            };
+
+            app.MapSignalR("/API/Signalling", hubConfig);
+        }
+    }
+}