CURA-4451
- Add upgrade script for 3.0. to 3.1
- Upgrade old stack files so they will use "empty_quality" as the
"Not Supported" quality profile.
- Increase SettingVersion to 4
CURA-3975
Rename quality profiles with name "Not Supported" to have actual quality
names. Note that the "Not Supported" only ones are renamed to "Fast_Print".