Eliminates row.coffee
Adds dynamically sized block images
Merge pull request #1 from jdwolk/experiment/dynamic-image-sizes

Adds dynamically sized block images
adds some spec styles,brings in logos/titles to block
adds hero img, cleans up some styles
adds hero navigation
merging conflicts
finishes hero nav styles, responsive hero styles, replaces placeholder imgs, adds story styles, perfect vertical center alignment for rows