- remove the Metadata property from AssetBase and return all previous

properties as before
- prefix private variables with m_ in AssetBase.cs
- related to Mantis #3122, as mentioned in
  https://lists.berlios.de/pipermail/opensim-dev/2009-February/005088.html
- all services will likely need to be upgraded after this commit

OpenSim/Region/CoreModules/Scripting/EMailModules/EmailModule.cs

@@ -326,8 +326,6 @@ namespace OpenSim.Region.CoreModules.Scripting.EmailModules
 
                 UUID toID = new UUID(address.Substring(0, address.IndexOf("@")));
 
-                String unused;
-
                 if (IsLocal(toID)) // TODO FIX check to see if it is local
                 {
                     // object in this region