20181101 Update.
1. modify the output MP4, the props drop will appear circle problem.
2. modify the Chinese UI's start playing VR pattern.
We are testing the following versions, which will be updated indefinite.
20181113（Not yet released）
1. archive export is changed to ZIP format.
2. fix fourth, 5 tracker location.
3. edit mode output MP4, you can choose picture quality function.
4. When the VR mode returns to edit mode, the left hand handle UI should disappear, or it will block the prompt UI.
5. bulk output MP4 default value should be 2D movie.
6. each archive adds parameter files for independent lens effects.
7. edit mode to adjust the DOF blur effect.
8. When the archive loads, add the comparison between the files needed to judge the archive and the local files, and the missing file names will be displayed.