Added GetServiceLogger to be used as a fast external method for pul…

…ling up the Service-based logger.

MinecraftService/Service/Server/Interfaces/IServerController.cs

@@ -12,6 +12,7 @@ public interface IServerController {
         void WriteToStandardIn(string command);
         bool RollbackToBackup(string targetZip);
         IServerLogger GetLogger();
+        IServerLogger GetServiceLogger();
         IPlayerManager GetPlayerManager();
         List<IPlayer> GetActivePlayerList();
         bool IsServerModified();