* add 'mtime' and 'category' and 'direct link' to blog.tt

* skip !~ /$ext/ when making menu

* let create_menu return data hash for .tt to render

* if menu item is dir, add a slash/

* more flexible /static support for existing stuff
  maybe extend pod to =static ?

* use =meta more effectively

* redo all CSS

* refresh cache URL

* deal with imgs in blog path