Refactored how configuration, IR and SGD file path prefixes are handled, in order to be able to handle a different file structure if running on XiO Edge

Essentials Core/PepperDashEssentialsBase/Comm and IR/IRPortHelper.cs

@@ -20,7 +20,7 @@ namespace PepperDash.Essentials.Core
 		{
 			get
 			{
-				return string.Format(@"\NVRAM\Program{0}\IR\", InitialParametersClass.ApplicationNumber);
+				return Global.FilePathPrefix + @"IR\";
 			}
 		}