Rewrite replay frame construction/handling and accommodate for conversion
Fix linear perfect curves not using the linear curve approximator
Implement an interface for beatmap conversion tests
Fix HR not properly applying to sliders
Fixes #2151.
Only use osu.Desktop to determine test assemblies
Implement hitobject selection overlays in the editor
Fix FastRandom using uint instead of int for NextDouble()
Don't use BufferedContainer for OsuLogo
Minor performance improvement. Not sure why this was done but it's not required any more.