AP_Vehicle: add scripting guided mode set angle

libraries/AP_Vehicle/AP_Vehicle.h

@@ -170,10 +170,12 @@ public:
     virtual bool start_takeoff(float alt) { return false; }
     virtual bool set_target_location(const Location& target_loc) { return false; }
     virtual bool set_target_velocity_NED(const Vector3f& vel_ned) { return false; }
+    virtual bool set_target_angle_and_climbrate(float roll_deg, float pitch_deg, float yaw_deg, float climb_rate_ms, bool use_yaw_rate, float yaw_rate_degs) { return false; }
+
 
     // get target location (for use by scripting)
     virtual bool get_target_location(Location& target_loc) { return false; }
-    
+
 protected:
 
     virtual void init_ardupilot() = 0;