Update README
Allow deleting localStorage saves
Play around with the Icon styles
IconButton 2nd style
Revert background color, tweak icon button states color
Fix minor selection bug
More tweaks and prototype onion skinning / ghosting
Fix keyframe values inserted between tween
Scrollbar WIP
Make scrollbar dock to the right
layer.tmpValue -> layer._value
Fix scrolling
Fix scrolling and add repaintAll()
Move DataStore -> src/datastore.js