broke up long lines (partly practicing vim)
more line breaks
a few more minor edits
changed intro text, a little longer, but more clear
rearranged the intro bits (which aren't in a great place anyway, but
it's ok for now)
adjusted lists and paragraphs to be nice centered and modest width
headers now good for full-width divs, but need to still handle better
within smaller divs
adjusted some space in comments, undid the paragraph centering for
comments
adjusted indention for nice header positions in all cases
Merge github.com:dlthomas/snowdrift
removed column-style centering on homepage now that
paragraphs and headers are automatically set
fixed headers in comments given new overall header CSS
removed comic, subtle wording change in file about images
Merge github.com:dlthomas/snowdrift

Conflicts:
	templates/comment_body.hamlet
begun work on SD-110, lots of refactoring
Handler/Discussion cleanup
updated images for intro to acknowledge / focus on the ad-based economy
not just pay-for-access
ticket added to comment view (styling still needed)
remove accidentally-added migration
fixed redirect bug
updated to more recent normalize file