Remove callback API
Remove helper strings and Carousel options
Remove sync and asNav
Remove options for pause/play and make keyboard non-optional
Make directional navigation non-optional, it's a built-in feature.
Change controlNav to be built-in, non-optional
Always use CSS3 transitions
Make touch and video usability features built-in defaults
Remove fade and animation options
Remove reverse and vertical options
Make smooth height the default behavior
Always start at first slide
Remove slideshow options
Remove one more slideshow option
Remove asNav, add back in missing keyboard support
Remove more unused functions and options