diclaimer
smaller disclaimer
italic headers
move posts to /p/
skip <hr> above first post
reorganize header/nav links
Revert "move posts to /p/"

This reverts commit 002aa35efb7148ab3a988ef0375324d9fa104acf.

Unnecessarily complicates things -- do later.
404
disqus -> comments, conditionally include
drop special article-title
allow posts to disable comments

there has to be a better way to do this, but it's late and I'm tired