Fix wrong initial state of beatmap panels.
Hitcircles v2
Add lock on each property of WorkingBeatmap.
# Conflicts: # osu.Desktop.VisualTests/Tests/TestCasePlayer.cs # osu.Game/Beatmaps/Objects/Osu/Drawable/DrawableCircle.cs
Add beatmap backgrounds to song select.
Add full Exo font set.
General fixes & framework update.
# Conflicts: # osu-framework
Options part one