Update: 3rd-party libraries updated, refactoring

Updated: SignalR 2.1.1, Moment.js 2.7, Reactive Extensions 2.2.5,
TinyMCE 4.1.2.
Customized TinyMCE skin and implemented FontAwesome icons.
T4MVC refactored.

Disco.Web/Extensions/T4MVC/T4MVC.tt.hooks.t4

@@ -0,0 +1,45 @@
+<#+
+/*
+
+This file contains hooks and extra code used by T4MVC.tt. The main goal is to avoid the need for users
+to fork the 'official' template in order to achieve what they want.
+ 
+*/
+
+static bool AddTimestampToStaticLink(ProjectItem projectItem) {
+    // By default, this just returns the static flag, but you can add additional logic to make more complex
+    // decisions about which files should have the timestamp
+    // See http://mvccontrib.codeplex.com/workitem/7129 for details
+    return settings.AddTimestampToStaticLinks;
+}
+
+void RenderAdditionalCode() {
+#>
+[GeneratedCode("T4MVC", "2.0"), DebuggerNonUserCode]
+internal static class T4MVCHelpers {
+    // You can change the ProcessVirtualPath method to modify the path that gets returned to the client.
+    // e.g. you can prepend a domain, or append a query string:
+    //      return "http://localhost" + path + "?foo=bar";
+    private static string ProcessVirtualPathDefault(string virtualPath) {
+        // The path that comes in starts with ~/ and must first be made absolute
+        string path = VirtualPathUtility.ToAbsolute(virtualPath);
+        
+        // Add your own modifications here before returning the path
+        return path;
+    }
+
+    // Calling ProcessVirtualPath through delegate to allow it to be replaced for unit testing
+    public static Func<string, string> ProcessVirtualPath = ProcessVirtualPathDefault;
+
+    // Calling T4Extension.TimestampString through delegate to allow it to be replaced for unit testing and other purposes
+    public static Func<string, string> TimestampString = System.Web.Mvc.T4Extensions.TimestampString;
+
+    // Logic to determine if the app is running in production or dev environment
+    public static bool IsProduction() { 
+        return (HttpContext.Current != null && !HttpContext.Current.IsDebuggingEnabled); 
+    }
+}
+
+<#+
+}
+#>