Remove dupe favicon
Add ToC to the CSS; use config.yml var for version; add reverse layout option (including docs in readme)
Fix up related posts spacing and ensure it's theme-able
le accuracy
Move site name and description to config.yml
spacing
readme hierarchy
Move <head> and .masthead to includes for durability and easier flexibility
remove dupe favicon from 404 page
Add empty footer include
undo the masthead and footer stuff, misc cleanup