Fix regression causing menu cursor to stick to screen edges.
Add DoubleTime, HalfTime and Nightcore support.
Update UI controls to understand DisabledChanged
Add basic UO support (now called Audio Offset).
Tidies up ToolbarModeSelector a lot by using DI.
Taiko fixes
Update score to read statistics from server.
Tooltips
Also brings some naming up-to-date.
# Conflicts: # osu.Game/Graphics/UserInterface/OsuSliderBar.cs
Don't play sliderbar samples more than once when value has not changed.
Handles drag operations better.
Note that this isn't a full "as intended" fix, because the full fix is quite big. I'll be saving it for a separate branch/pull-req.