Add startAtCurrentTime parameter to GetAnimation()
Add check to detect whether mania is skinned
Fix incorrect explosion position on default skin
Update framework
Fix column lights positioned incorrectly
Fix barlines scrolling at different speeds in legacy skins
Implement column width/spacing
Refactor mania skin elements to make them use a consistent style
Add mania hold note skinning
Add mania note skinning
Remove ScaleDownToFit as it was implemented without enough safety
Add mania key area skinning