Avoiding details page if there are no features to enable.

--HG--
branch : dev

src/Orchard.Web/Modules/Orchard.Packaging/Controllers/GalleryController.cs

@@ -256,10 +256,14 @@ namespace Orchard.Packaging.Controllers {
                     FeatureDescriptor = featureDescriptor
                 }).ToList();
 
-            return View("InstallModule", new PackagingInstallViewModel {
-                Features = features,
-                ExtensionDescriptor = extensionDescriptor
-            });
+            if (features.Count > 0) {
+                return View("InstallModule", new PackagingInstallViewModel {
+                    Features = features,
+                    ExtensionDescriptor = extensionDescriptor
+                });
+            }
+
+            return InstallPOST(packageId, version, sourceId, redirectTo);
         }
 
         [HttpPost, ActionName("InstallModule")]

src/Orchard.Web/Modules/Orchard.Packaging/Views/Gallery/InstallModule.cshtml

@@ -12,7 +12,6 @@
 @using (Html.BeginFormAntiForgeryPost(Url.Action("InstallModule", "Gallery", new { packageId = Request.QueryString["packageId"], version = Request.QueryString["version"], sourceId = Request.QueryString["sourceId"], redirectTo = Request.QueryString["redirectTo"] }))) {
     <h3>@T("Pick the features you want enabled during install").ToString()</h3>
 
-    if (Model.Features.Count > 0) {
     <fieldset>
         @{ var index = 0; }
         @foreach (PackagingInstallFeatureViewModel feature in Model.Features) {
@@ -27,7 +26,6 @@
             </div>
         }
     </fieldset>
-    }
 
     <button class="primaryAction" type="submit">@T("Install")</button>
 }