added image converter class to get ico from resources (get rid of redundant image resources)

mRemoteNG/Resources/ImageConverter.cs

@@ -0,0 +1,19 @@
+using System.Drawing;
+
+namespace mRemoteNG.Resources
+{
+    class ImageConverter
+    {
+        /// <summary>
+        /// Draws an Icon from a Bitmap
+        /// </summary>
+        /// <param name="SVGString"></param>
+        /// <returns></returns>
+        internal static Icon GetImageAsIcon(Bitmap bitmap)
+        {
+            var icon = Icon.FromHandle(bitmap.GetHicon());
+
+            return icon;
+        }
+    }
+}