Allow mounted IFolders to be queried.

OpenRA.FileFormats/Filesystem/Folder.cs

@@ -17,8 +17,7 @@ namespace OpenRA.FileFormats
 	public class Folder : IFolder
 	{
 		readonly string path;
-
-		int priority;
+		readonly int priority;
 
 		// Create a new folder package
 		public Folder(string path, int priority, Dictionary<string, byte[]> contents)
@@ -65,11 +64,8 @@ namespace OpenRA.FileFormats
 			return File.Exists(Path.Combine(path, filename));
 		}
 
-
-		public int Priority
-		{
-			get { return priority; }
-		}
+		public int Priority { get { return priority; } }
+		public string Name { get { return path; } }
 
 		public void Write(Dictionary<string, byte[]> contents)
 		{