Changes
- Warn against rest mode while PS4Mount runs and explain how to turn auto rest off
- Unmount every game before stopping, and refuse to stop while a game is open
- Panel: name the Stop button for rest mode and show why a stop was refused
- Panel: check for an open game before asking to stop, and say it in a dialog
- README: describe the new Stop button and point to it from the rest mode warning
Full Changelog: v0.7.1...v0.7.2