Closes #2681.
# Conflicts: # osu-framework # osu.Game.Tests/Visual/TestCaseEditorComposeTimeline.cs # osu.Game/Screens/Edit/Screens/Compose/Timeline/Timeline.cs
Also adjusts exponential scoring to be closer to stable. Log wasn't cutting it.
# Conflicts: # osu.Game.Rulesets.Mania/Objects/Drawables/DrawableHoldNote.cs