Recipe discovery for extensions

Setup calls RecipeManager::DiscoverRecipes
Setup/Recipe contains default recipe files
Unit tests for recipe discovery using embedded resources

--HG--
branch : recipe

src/Orchard.Web/Modules/Orchard.Setup/Services/SetupService.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Security.Cryptography;
 using System.Web;
@@ -23,6 +24,8 @@ using Orchard.Environment.Descriptor.Models;
 using Orchard.Indexing;
 using Orchard.Localization;
 using Orchard.Localization.Services;
+using Orchard.Recipes.Models;
+using Orchard.Recipes.Services;
 using Orchard.Reports.Services;
 using Orchard.Security;
 using Orchard.Settings;
@@ -204,6 +207,9 @@ namespace Orchard.Setup.Services {
         }
 
         private void CreateTenantData(SetupContext context, IWorkContextScope environment) {
+            var recipeManager = environment.Resolve<IRecipeManager>();
+            var setupRecipes = recipeManager.DiscoverRecipes("Orchard.Setup");
+
             // create superuser
             var membershipService = environment.Resolve<IMembershipService>();
             var user =