Update framework.
Various improvements
Use gradient helper function to create toolbar tooltip gradient.
Fix option checkbox losing its glow incorrectly in certain cases.
General fixes
Add an implementation of the new design of checkboxes.
Also adjusts opacity of toolbar.
Better anchors
# Conflicts: # osu.Game.Mode.Osu/UI/OsuComboCounter.cs # osu.Game.Mode.Osu/UI/OsuScoreOverlay.cs
Project restructuring