Added metabox for slidshow shortcode
added shortcode metabox for callout
changed the ordering of the shortcode metaboxes.
pulldown story navigation styles, back/forward button click scrolling
lazyload lib
Fixes for pulldown toggling transitions
Moved html, body width/height declarations to be declared only if the story or issue is not from fall 2013 or earlier to prevent backward compatibility problems
added alt text to photoessay images
Archives list styling, markup adjustments
Added form input placeholder fallback plugin for ie
IE fixes; hide horizontal scrollbar in pulldown; Add shortcode media btn + removed shortcode meta box (Brandon)