fix for dead blog links
removed some unused css rules
added dead link checking script
wip: removed disqus, move to own comment system
added CSS comment counter
wip: moving from python to racket markdown implementation
removed inline HTML/JS from blog post

the new markdown parser chokes on that one
added explicit code block

another md parser bug, it seems
dos2unix all the things
removed syntax highlighting declarations
further md fixes for the new parser
added bugs to TODO
rm syntax highlight css
added non-breaking space to title
further md fixes
misc. fixes