Fix GlobalHotkeys not working (regression due to masking rules).
Enable Parallax Option
Adds base classes for difficulty calculations, hooks them up with carousel container, and adds a port of the osu difficulty calculator.
Also accounted for the ParallaxAmount when moving to default position
Update framework.
General fixes.
Better screen hierarchy
# Conflicts: # osu.Game/Beatmaps/Beatmap.cs
Fix beatmap import crash when the first timingPoint starts later than…
Design improvements