Upgraded SignalR to 1.2.2

src/Microsoft.AspNet.SignalR.Core/Infrastructure/MonoUtility.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+
+namespace Microsoft.AspNet.SignalR.Infrastructure
+{
+    internal static class MonoUtility
+    {
+        private static readonly Lazy<bool> _isRunningMono = new Lazy<bool>(() => CheckRunningOnMono());
+
+        internal static bool IsRunningMono
+        {
+            get
+            {
+                return _isRunningMono.Value;
+            }
+        }
+
+        [SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes", Justification = "This should never fail")]
+        private static bool CheckRunningOnMono()
+        {
+            try
+            {
+                return Type.GetType("Mono.Runtime") != null;
+            }
+            catch
+            {
+                return false;
+            }
+        }
+    }
+}