moved GUI project to a subdirectory.

GUI/ConvertMedia.xaml.cs

@@ -0,0 +1,20 @@
+using System.Windows;
+
+namespace GARbro.GUI
+{
+    /// <summary>
+    /// Interaction logic for ConvertMedia.xaml
+    /// </summary>
+    public partial class ConvertMedia : Window
+    {
+        public ConvertMedia ()
+        {
+            InitializeComponent ();
+        }
+
+        private void ConvertButton_Click (object sender, RoutedEventArgs e)
+        {
+            this.DialogResult = true;
+        }
+    }
+}