* HomeController.cs: Cleans a duplicate import

* SimpleJsonPostMethod.cs: The credential header had to be "Set"ed,
  not "Add"ed

web/Controllers/HomeController.cs

@@ -7,15 +7,14 @@ using System.Web;
 using System.Web.Configuration;
 using System.Web.Mvc;
 using System.Web.Mvc.Ajax;
-using Yavsc;
 using System.Reflection;
 using System.Resources;
 using Yavsc.Model;
 using Npgsql.Web;
 using ITContentProvider;
-using Yavsc;
 using Npgsql.Web.Blog;
 using Yavsc.Helpers;
+using Yavsc;
 
 namespace Yavsc.Controllers
 {

web/Helpers/SimpleJsonPostMethod.cs

@@ -51,7 +51,7 @@ namespace Yavsc.Helpers
 		/// </summary>
 		/// <param name="cred">Cred.</param>
 		public void SetCredential(string cred) {
-			Request.Headers.Add(HttpRequestHeader.Authorization,cred);
+			Request.Headers.Set(HttpRequestHeader.Authorization,cred);
 		}
 
 		/// <summary>