Update version of biggus-griddus.
Wire up 'clear' button in demo.
Remove ability to update specific rows in demo.
Remove 'update' and 'reset' buttons.
Remove window offset/size inputs.
UI control code cleanup.
Add 'Add 100' button.
Some documentation.
Removed unused CSS.
Don't let sliders show focus outlines.
Don't let the grid show a focus outline.
Update version of biggus-griddus, including auto-sizing to parent's height.
Move some styles into the biggus-griddus project. Remove styles from HTML.