* stupidtable.js:

* jquery.tablesorter.js:
* jquery.tablesorter.min.js: now using "stupid table", that fixes the
  row additions and deletions

* ChooseADate.aspx: Page to choose a date between valid candidates

* YavscModel.csproj:
* FreeDate.cs: a free date

* FrontOfficeApiController.cs: cleanning using clauses

* FrontOfficeController.cs: - cleanning using clauses
- check user role before editing the model object

* GoogleController.cs: view "ChooseADate" in successfull response to
  "DateQuery"


* WorkFlowController.cs: check user's role to drop the estimate.

* Estimate.aspx: * now using "stupid table", that fixes the row
  additions and deletions.
* the user interface more intuitive at row deletion 

* DateQuery.aspx: changed the query parameters

* Web.csproj: google date + stupidtable - tablesorter

* IContentProvider.cs: cleaned an unused "using" clause

* WorkFlowManager.cs: cleanning spaces

yavscModel/WorkFlow/IContentProvider.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Web.Mvc;
 using Yavsc.Model.FrontOffice;
 
 namespace Yavsc.Model.WorkFlow

yavscModel/WorkFlow/WorkFlowManager.cs

@@ -92,6 +92,9 @@ namespace Yavsc.Model.WorkFlow
 		{
 			ContentProvider.DropEstimate(estid);
 		}
+
+
+
 		IContentProvider contentProvider;
 		/// <summary>
 		/// Gets the content provider.
@@ -131,8 +134,6 @@ namespace Yavsc.Model.WorkFlow
 				contentProvider.Initialize (confprov.Name, config);
 
 				return contentProvider;
-
-
 			}
 		}