Impemented the code changes to return co-ordinated when the telescope is parked.

Also added loads of checks for if the telescope is parked.

Meade.net/AstroMaths/HorizonCoordinates.cs

@@ -0,0 +1,8 @@
+namespace ASCOM.Meade.net.AstroMaths
+{
+    public class HorizonCoordinates
+    {
+        public double Altitude { get; set; }
+        public double Azimuth { get; set; }
+    }
+}