Added a variety of new map/key layouts
Added automatic difficulty settings option
Changed map speed and song position shortcuts in practice mode to "shift + arrow key"
Bugfix: Update map difficulty when changing map settings
Bugfix: In editor always select newly added maps
Bugfix: Show correct rank of best score on overworld map-list-item
Bugfix: Editor preview video
Bugfix: Change offset when pasting notes
Bugfix: Duplicate notes when recording
Small improvements
