Update to newer version of CSJ2K from github.com/cureos/csj2k with modification

CSJ2K/Util/DotnetFileStreamCreator.cs

@@ -0,0 +1,33 @@
+// Copyright (c) 2007-2016 CSJ2K contributors.
+// Licensed under the BSD 3-Clause License.
+
+namespace CSJ2K.Util
+{
+    using System;
+    using System.IO;
+
+    public class DotnetFileStreamCreator : IFileStreamCreator
+    {
+        #region FIELDS
+
+        private static readonly IFileStreamCreator Instance = new DotnetFileStreamCreator();
+
+        #endregion
+
+        #region METHODS
+
+        public static void Register()
+        {
+            FileStreamFactory.Register(Instance);
+        }
+
+        public Stream Create(string path, string mode)
+        {
+            if (mode.Equals("rw", StringComparison.OrdinalIgnoreCase)) return new FileStream(path, FileMode.OpenOrCreate, FileAccess.ReadWrite);
+            if (mode.Equals("r", StringComparison.OrdinalIgnoreCase)) return new FileStream(path, FileMode.Open, FileAccess.Read);
+            throw new ArgumentException(String.Format("File mode: {0} not supported.", mode), "mode");
+        }
+
+        #endregion
+    }
+}