launcher: interrupted apply recovers cd-active.new (completion marker) or cd-active.old, config.json merged field by field on save across windows, wine version check with warning below 5.0, mirror worlds as check boxes (new multi option type, old values still load), copy progress in mb in the wizard, saves table fits 1280x720

docs/manual/18-mods.md

@@ -119,7 +119,7 @@ Plays every level mirrored left to right, like the mirror mode of racing games.
 
 | Option | Values | Default | Description |
 |---|---|---|---|
-| Worlds | text | all | "all", or the numbers of the worlds to mirror, e.g. "1,3" (1 = Village, 9 = TestLevel). |
+| Worlds | any of 1 Village, 2 Jungle at Night, 3 River, 4 Jungle by Day, 5 Mountain, 6 City, 7 Catacombs, 8 Lab, 9 TestLevel | all | The worlds whose levels are mirrored. |
 | Readable textures | on / off | off | Flips writing and pictures back so they read normally. Some textures (water edges, paths) then show seams. Off: a true mirror image. |
 | Mirror object models | on / off | off | Also mirrors the shape of objects such as huts and crates (characters stay as they are). Off: objects are only placed mirrored. |