- Save colors to letter keys using Ctrl+Letter.
- Finish zooming and panning.
+ Toolbar repaint issue.
+ Get tutorial paintings from Scott Nash.
+ Improve opacity and size scrollbar behavior - custom?
+ Implement pick up color tool.
+ Add FPS counter.
+ Optimize framerate.
+ Improve videopaint - camera on only when in use.
+ Videopaint calibration button.
+ Test Journal save & resume.
+ Fix cursor drawing.
+ Use image paste for reference picture.  Actually paste into the canvas.
+ Implement joypad key bindings.
+ Implement stylus support using evtest.
+ Speed up large brushes.
+ Single stroke fast undo.
+ Adjust playback speed.