Add basic touch support for osu!catch
OnDrag to
Remove
RemoveRange
RemoveAll
CatcherArea
var
BaseDifficulty
Beatmap<T>
BeatmapDifficulty
IBeatmapDifficultyInfo
HitExplosionEntry
ApplyTransformsAt
CatcherTrailDisplay
The `CatcherTrail` was originally named `CatcherTrailSprite`, but it is not a sprite anymore.
Because the is "end glow" is when a hyper-dash is *started*, the name was confusing. The "after-image" was already used in the code as a synonym of "end glow" inconsistently.