Using html5slider
Fix issue with imagediff & slider
Updated frames with text and added a thanks to the readme.
make mousewheel work.
Minor CSS change.
Add button to skip to last seen frame

Store the last seen frame in a cookie, and add a button to easily jump
to that frame when revisiting the site.
Only display lastSeen button when data available

Avoid confusing people who don't have a cookie set with a button which
won't do anything.  Hide the lastSeen button and only display it if a
last seen frame is known.
Fixed bug in bitly.php file that allowed for numbers that were not integers.
split onload, diffs previous and current image

instead of current and next.
(next image might not exist ...)
Removed TODO
using default /image/-filenames
Remove console.log
Preload bitlydata.txt