FlightViewer for DJI drones

- Support Litchi and DJI raw log files
- Support AIRDATA converted CSV files
- Press [CHECK] button to display processing video files then folder files
- Show flight time, battery, location information with CSV files
- Does not create video with Font Size=N, Joystick Size=N, Drone Map=off
- Video data is saved in the FlightViewer folder
- Draw the position and direction in map image
- Prepare map image using TXT file in FlightViewer folder
- Does not support battery number and signal information in AIRDATA CSV file
- Created video file is MotionJPEG(AVI), some video player does not support it
- Delay(sec) +: adding images, -: delete images, 0: automatic synchronize
- Subtitle(sec) create .srt file with log data by interval seconds(0: no subtitle)