Refactoring of OpenRA.Utility. Whole lot of work on OpenRA.Launcher

Mod configuration dialog now fully functional, launch button also works.

OpenRA.Launcher/InstallPackagesDialog.cs

@@ -0,0 +1,52 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2010 The OpenRA Developers (see AUTHORS)
+ * This file is part of OpenRA, which is free software. It is made 
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation. For more information,
+ * see LICENSE.
+ */
+#endregion
+
+using System;
+using System.IO;
+using System.Windows.Forms;
+
+namespace OpenRA.Launcher
+{
+	public partial class InstallPackagesDialog : Form
+	{
+		string mod;
+		public InstallPackagesDialog(string mod)
+		{
+			InitializeComponent();
+			Util.UacShield(button2);
+			this.mod = mod;
+			if (mod == "cnc") radioButton2.Enabled = false;
+			label1.Text = string.Format("In order to play OpenRA with the mod \"{0}\", you must install the original game files. " + 
+				"These can either be downloaded or for some mods be installed from a CD copy of the original game. " +
+				"Please select your choice below and click continue", mod);
+		}
+
+		private void button2_Click(object sender, EventArgs e)
+		{
+			UtilityProgramResponse response = null;
+			if (radioButton1.Checked)
+				response = UtilityProgram.CallWithAdmin("--download-packages", mod);
+
+			if (radioButton2.Checked)
+			{
+				if (folderBrowserDialog1.ShowDialog() == DialogResult.OK)
+					response = UtilityProgram.CallWithAdmin(string.Format("--install-{0}-packages", mod), 
+						folderBrowserDialog1.SelectedPath + Path.DirectorySeparatorChar);
+			}
+
+			if (response.IsError)
+				DialogResult = DialogResult.No;
+			else
+				DialogResult = DialogResult.OK;
+
+			Close();
+		}
+	}
+}