using fourier transform in autocut

also added alt+ and right-click behaviour for buttons and made info
draggable
can now expand tree
collapse tree but with bugs
fixed tree expand/contract bugs (hopefully)
tree now starts suitably expanded
css transform for info movement
drift plots added
improved drift plotting
counting with highp red
changed palette and added resetting
nearly made counting togleable.
counting is togleable
Merge remote-tracking branch 'origin/ft-and-hierarchy'

Conflicts:
	index.html
	main.css