Fix storyboard variable parsing
Add skip cutscene as "in game" keybinding
Fix Leaderboard loading scores multiple times
Minor standard hidden improvements
it shouldn't have been done because it makes fast sliders unplayable as they never appear in the first place, ooops
it wasn't really visible anyways *shrug*
Fix TestCaseManiaHitObjects exception on load
Update licence headers
Implement osu!mania key mods
Cleanup osu!mania's RulesetContainer and Beatmap conversion process
Cleanup some possible CI errors
Not sure why these aren't being detected on master right now - they should be...
Fix slider follow circle instantly disappearing on slider ends
Permit BeatmapInfoWedge to display Unicode artist and title
Fix storyboard file paths on Linux/macOS using incorrect path separators
ScoreMultiplier not currently working - that's a more involved change that requires the aforementioned "BeatmapAttributes" changes.
Also restructures with the addition of a ManiaBeatmap which holds definitions for "groups" of columns. At the moment these are empty save for a "Column" property, but can be expanded in the future, maybe.
Change icon for audio settings
Fix errors on import