Add comment system using Moot forum service
Specify pygments highlight style for pandoc
Specify highlight style
Add costum syntax widget
Script for generating css for syntax highlighting

This uses pygments.rb.  Then use Ruby's ability to change classes so it
can recognize classes generated by Pandoc.
Add comment widget on post page
Implementation of syntax widgets

Use pygments.rb by default.  By changing the class generated by Pandoc,
one can also use SyntaxHighlighter.
SyntaxHighlighter scripts
SH styles
pygments styles generated