aw7152: make lib open source, remove farmmaps dependencies

Helper.cs

@@ -0,0 +1,13 @@
+using System.IO;
+
+namespace CarbonLib
+{
+    public class Helper
+    {
+        public static string GetPlatformIndependentDirectoryPath(string path)
+        {
+            return path.Replace(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
+        }
+
+    }
+}