Temporary fix for compilation errors

--HG--
branch : dev

src/Orchard.Azure/AzureFileSystem.cs

@@ -154,15 +154,16 @@ namespace Orchard.Azure {
             }
         }
 
-        public void TryCreateFolder(string path) {
+        public bool TryCreateFolder(string path) {
             EnsurePathIsRelative(path);
             using (new HttpContextWeaver()) {
                 if (Container.DirectoryExists(String.Concat(_root, path))) {
-                    return;
+                    return true;
                 }
 
                 CreateFile(Combine(path, FolderEntry));
             }
+            return true;
         }
 
         public void CreateFolder(string path) {

src/Orchard.Azure/FileSystems/Media/AzureBlobStorageProvider.cs

@@ -10,5 +10,14 @@ namespace Orchard.Azure.FileSystems.Media {
         }
 
         public AzureBlobStorageProvider(ShellSettings shellSettings, CloudStorageAccount storageAccount) : base("media", shellSettings.Name, false, storageAccount) { }
+
+
+        public bool TrySaveStream(string path, System.IO.Stream inputStream) {
+            throw new System.NotImplementedException();
+        }
+
+        public void SaveStream(string path, System.IO.Stream inputStream) {
+            throw new System.NotImplementedException();
+        }
     }
 }