Add debugging to C# InstallLocations.cs to determine why the support path is wrong

Author: barrycaceres

csharp/runner/SnippetRunner/InstallLocations.cs

@@ -224,6 +224,7 @@ private static bool IsDirectory(string path)
         Console.Error.WriteLine("---------------------------------");
         Console.Error.WriteLine("PLATFORM ID: " + PlatformID.MacOSX);
         Console.Error.WriteLine("DEFAULT SUPPORT PATH: " + defaultSupportPath);
+        Console.Error.WriteLine("HOME SUPPORT PATH: " + homeSupport.FullName);
         Console.Error.WriteLine("---------------------------------");
         Console.Error.WriteLine();