[style] width adjustment for essay component in photo
[structure] [performance] updated responsive images
now srcset uses pixel values for more accurate targeting
[content] added missing 720px images
[style] [bug] fix for ancillary styles
[bug] catching an issue with favicon loading
[content] [edit] subtract class names from figures
[style] clean up .grid-2 image styles
[config] more favicon fixes
Merge pull request #21 from opattison/2014-11-07-photo-layout

Photo layout updates and srcset fixes