merge
switch to susy
changed to a more semantic structure
Merge branch 'semantic'

Conflicts:
	content/stylesheets/partials/_base.scss
	content/stylesheets/screen.scss
	layouts/default.haml
	layouts/post.haml
Merge branch 'master' into devel
tweaks and retweaks to structure and style
fix structure of twitter follow script
move article/content stuff into separate partial
remove old comment
move nav items into separate nav blocks
move nav items into separate nav blocks
move nav elements after content
update to account for change in structure
reorder some comments
move typography stuff to partial, add styling for sub/sup
merge archive page from posts branch
fix spelling errors