update csharp sample

samples/client/petstore/csharp/SwaggerClientTest/Lib/SwaggerClient/README.md

@@ -0,0 +1,15 @@
+## Frameworks supported
+- .NET 3.5 or later
+- Windows Phone 7.1 (Mango)
+
+## Dependencies
+- [RestSharp] (https://www.nuget.org/packages/RestSharp)
+- [Json.NET] (https://www.nuget.org/packages/Newtonsoft.Json/)
+
+
+NOTE: The DLLs included in the package may not be the latest version. We recommned using [NuGet] (https://docs.nuget.org/consume/installing-nuget) to obtain the latest version of the packages:
+```
+Install-Package RestSharp
+Install-Package Newtonsoft.Json
+``` 
+

samples/client/petstore/csharp/SwaggerClientTest/SwaggerClientTest.userprefs

@@ -1,12 +1,8 @@
 <Properties StartupItem="SwaggerClientTest.csproj">
   <MonoDevelop.Ide.Workspace ActiveConfiguration="Debug" />
-  <MonoDevelop.Ide.Workbench ActiveDocument="Lib/SwaggerClient/src/main/csharp/IO/Swagger/Client/ApiClient.cs">
+  <MonoDevelop.Ide.Workbench ActiveDocument="TestPet.cs">
     <Files>
-      <File FileName="TestPet.cs" Line="123" Column="14" />
+      <File FileName="TestPet.cs" Line="15" Column="29" />
-      <File FileName="Lib/SwaggerClient/src/main/csharp/IO/Swagger/Client/ApiClient.cs" Line="150" Column="94" />
-      <File FileName="Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/StoreApi.cs" Line="1" Column="1" />
-      <File FileName="Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/UserApi.cs" Line="1" Column="1" />
-      <File FileName="Lib/SwaggerClient/src/main/csharp/IO/Swagger/Api/PetApi.cs" Line="1" Column="1" />
     </Files>
   </MonoDevelop.Ide.Workbench>
   <MonoDevelop.Ide.DebuggingService.Breakpoints>