Terminate application after window close

src/Backend.cs

@@ -110,5 +110,12 @@ namespace WorldOfPeacecraft
 		{
 			Gui.PerformRefresh();
 		}
+
+		public void Stop() {
+			Parse.Stop ();
+			Send.Stop ();
+			Rec.Stop ();
+			System.Windows.Forms.Application.Exit ();
+		}
 	}
 }