Added brief instructions to guide users.
Removed ability to track multiple stops for the same route.

memo[rS] => memo[route]

Also rewrote instructions.
Soonest bus is now highlighted for clarity. Users must manually click
back on the shorest arc.
WIP - Have quickFlash animation to ripple for initialization.

Need to have graphic revert back to original state when done.
Have everything changing and reverting, but timing between text and
arcs is off. Might need to redo entire transition.
Commit with comments for blogpost. Will refactor after this.
Ripple works smoother.