- Themes: adding views and actions for installing a theme.

- Extensions: Added a new method to the IExtensionManager for installing extensions (from local zip files currently)

--HG--
extra : convert_revision : svn%3A5ff7c347-ad56-4c35-b696-ccb81de16e03/trunk%4043760

src/Orchard.Tests/Environment/DefaultOrchardHostTests.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
+using System.Web;
 using System.Web.Mvc;
 using System.Web.Routing;
 using Autofac;
@@ -54,6 +55,10 @@ namespace Orchard.Tests.Environment {
             public IEnumerable<ExtensionEntry> ActiveExtensions() {
                 return Enumerable.Empty<ExtensionEntry>();
             }
+
+            public void InstallExtension(HttpPostedFileBase extensionBundle) {
+                throw new NotImplementedException();
+            }
         }
 
         [Test]