No more casting!
But can when required. Also supports key combination bindings now.
# Conflicts: # osu.Game.Rulesets.Taiko/UI/TaikoRulesetContainer.cs
Stored bindings, more catch and less HitRenderer
# Conflicts: # osu.Desktop.Tests/Visual/TestCaseScrollingPlayfield.cs
Rework scrolling playfields to be a lot more usable.