Added ease-in-and-out transitions

And made each step a bit faster.
Changes for FireFox compatibility

FireFox is stricter than Chrome or IE apparently.
Top-level backside JSON improved

For clarity replaced width and height with backside_width and
backside_height
Another FireFox compatibility change
Another FireFox compatibility change
Minor CSS changes
Display updates are now delayed

And redundant updates eliminated.
Also added toontalk-held-by-robot CSS class.