Tracker: send home position when home is set or get-home msg received

AntennaTracker/GCS_Mavlink.cpp

@@ -667,6 +667,10 @@ void GCS_MAVLINK::handleMessage(mavlink_message_t* msg)
                 }
             break;
 
+            case MAV_CMD_GET_HOME_POSITION:
+                send_home(tracker.ahrs.get_home());
+                break;
+
             case MAV_CMD_DO_SET_MODE:
                 switch ((uint16_t)packet.param1) {
                     case MAV_MODE_MANUAL_ARMED:

AntennaTracker/system.cpp

@@ -165,6 +165,7 @@ void Tracker::set_home(struct Location temp)
 {
     set_home_eeprom(temp);
     current_loc = temp;
+    GCS_MAVLINK::send_home_all(temp);
 }
 
 void Tracker::arm_servos()