* PaypalApiController.cs: starting a paypal account access

* Catalog.xml: tests input with multiple values 

* FileSystemController.cs: Xml catalog path is now specified ala ~/

* WorkFlowController.cs: Gives the response a message

* SimpleFormatter.cs:
* FrontOfficeApiController.cs: document formatting

* Global.asax.cs: due to refactoring

* SimpleJsonPostMethod.cs: (code formatting)

* Web.config: due to refactoring

* Web.config: 
- document formatting
- PayPal configuration

* Web.csproj: references the PayPalCoreSdk.1.6.0

* packages.config: using the .Net 4.5.1 plateform

web/Controllers/PaypalApiController.cs

@@ -0,0 +1,48 @@
+//
+//  PaypalApiController.cs
+//
+//  Author:
+//       Paul Schneider <paulschneider@free.fr>
+//
+//  Copyright (c) 2015 Paul Schneider
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+using System;
+using System.Web.Http;
+
+#if HASPAYPALAPI
+
+using PayPal.Api;
+
+namespace Yavsc.ApiControllers
+{
+	public class PaypalApiController: ApiController
+	{
+		public void GetPayments()
+		{
+			OAuthTokenCredential tokenCredential =
+				new OAuthTokenCredential("<CLIENT_ID>", "<CLIENT_SECRET>");
+
+			string accessToken = tokenCredential.GetAccessToken();
+			var parameters = new PayPal.Util.QueryParameters();
+			parameters.Add ("Count", "10");
+
+			PaymentHistory paymentHistory = Payment.Get(apiContext, accessToken, parameters);
+
+
+		}
+	}
+}
+
+#endif