add shims directory with classList polyfill for ie 9
update stylesheet

using flexbox and other props to make a more "slidehow like" appearance.
will update in the future for fallbacks.
Update readme

added browser compatibility
Update index file

Using more generic quotes for demo.
Tweak tests and backward compatibility

Add fallbacks for IE 9 w/r/t events generated by JS.
Tweak core for more consistent test performance.
Update docs