Reinstated the Real Alt Az methods for the LX200GPS. Changes how the parked behaviour is implemented, so that it doesn't need to make as many calls.

Meade.net.Telescope/ParkedPosition.cs

@@ -0,0 +1,10 @@
+namespace ASCOM.Meade.net
+{
+    public class ParkedPosition
+    {
+        public double Altitude { get; set; }
+        public double Azimuth { get; set; }
+        public double RightAscension { get; set; }
+        public double Declination { get; set; }
+    }
+}