* Introduce a new "default" option for asset_database in the [STORAGE] section

* This option makes OpenSim use the usual db based asset service in standalone, and the grid based one in grid mode
* The other options can (local, grid, etc) can still be used explicitly as before
* Also change OpenSim.ini.example and the surrounding explanative text

OpenSim/Framework/Communications/Cache/FileAssetClient.cs

@@ -43,6 +43,7 @@ namespace OpenSim.Framework.Communications.Cache
             }
             m_dir = dir;
         }
+        
         public override void StoreAsset(AssetBase asset)
         {
             byte[] idBytes = asset.Metadata.FullID.Guid.ToByteArray();