20191219 Update: GIF Support and Playback Rule
Version: 2.7.2 -> 2.8.0
- Added GIF support
- Add and load GIF files as background
- Add and load GIF files as Image Sticker
- Options for GIF playback speed, reverse and ping-pong
Note: Large GIF files spend more memory than video files
- Add and load GIF files as background
- Added playback rules for application (Win)
- Added Moc information and log for Live2D Editor
- UI changes
- Bug fixes and code optimization
